Fingerprint Door Lock Biometric Door Knob with Keypad
4.0Editor score
4-in-1 smart lock functionality
Supports up to 100 fingerprints
Easy installation without drilling
In this guide
Biometric door knobs offer a modern way to secure your home without carrying keys. These devices use fingerprint technology to grant access quickly and securely for family members and guests alike.
We evaluated ten leading models based on recognition speed, battery capacity, installation ease, and additional smart features like app control and keypad options to find the most reliable solutions.
Each pick below highlights key strengths and potential limitations so you can decide which smart lock fits your needs. Please note that prices and availability may change over time.
Top 3 Picks for Best Biometric Door Knob
Fingerprint Door Lock – Smart Door Handle with Keypad
4.8Editor score
0.2-second fingerprint recognition speed
Upgraded 160×160 DPI sensor
5-in-1 keyless access methods
GHome Smart Fingerprint Door Lock with Removable Battery
4.5Editor score
Removable 700mAh rechargeable battery
AI self-learning fingerprint chip
Local data storage for privacy
Top 10 Best Biometric Door Knob in 2026 Compared
The following table provides a side-by-side comparison of all ten biometric door knobs reviewed in this guide. Use it to quickly identify key specifications and features for each model.
ProductsSpecificationsEditor scorePrice
Best Budget
Fingerprint Door Lock Biometric Door Knob with Keypad
0.5-second recognition speed
100 fingerprints capacity
USB emergency power port
No drilling installation
4.0Editor score
Editor's Choice
Fingerprint Door Lock – Smart Door Handle with Keypad
0.2-second recognition speed
100 fingerprints capacity
USB-C emergency power port
360-degree sensor recognition
4.8Editor score
Best Premium
Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock
Bluetooth app control
Rechargeable battery
Multiple operating modes
5-second auto lock
4.2Editor score
Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock Silver
Bluetooth app control
Rechargeable battery
Multiple operating modes
7-second auto lock
4.2Editor score
Fingerprint Door Lock – Smart Door Handle with Keypad
0.2-second recognition speed
100 fingerprints capacity
USB-C emergency power port
Universal fit design
4.8Editor score
Fingerprint Door Lock Biometric Keypad Smart Door Knob
400mAh rechargeable battery
One-year battery life
Backlit keypad feature
15-minute installation
4.5Editor score
GHome Smart Fingerprint Door Lock
Local fingerprint storage
AI self-learning chip
20 fingerprints capacity
5-second auto lock
4.2Editor score
GHome Smart Fingerprint Door Lock Silver
Local fingerprint storage
AI self-learning chip
20 fingerprints capacity
5-second auto lock
4.2Editor score
GHome Smart Fingerprint Door Lock with Removable Battery
700mAh removable battery
Two-hour charge time
AI self-learning chip
100 fingerprints capacity
4.5Editor score
Fingerprint Door Lock Biometric Door Knob with Keypad Silver
0.5-second recognition speed
100 fingerprints capacity
USB emergency power port
No drilling installation
3.8Editor score
1. Fingerprint Door Lock – Smart Door Handle with Keypad – Best Overall Biometric Door Knob
Fingerprint Door Lock – Smart Door Handle with Keypad
0.2-second fingerprint recognition
100 fingerprints and 50 passwords
360-degree seamless sensor recognition
USB-C emergency power port
This top-rated model earns our Editor's Choice award for its exceptional speed and user-friendly design. With a 4.8-star rating and lightning-fast 0.2-second recognition, it stands out as the most efficient option on our list for daily use.
Pros
- Extremely fast recognition speed
- Large sensor area for accuracy
- Comprehensive keyless access options
- Includes mechanical keys and IC cards
Cons
- Requires four AAA batteries
- No included smart gateway
We may earn a commission when you buy through this link, at no additional cost to you.
The upgraded 160×160 DPI sensor offers a 35% larger recognition area than standard models, ensuring high accuracy even for dry or elderly fingerprints. Users benefit from five distinct unlocking methods including biometric scan, privacy password, IC card, app control, and mechanical keys.
While the lock requires AAA batteries which are not included, the low battery alarm provides ample warning before power depletion. The USB-C emergency port allows you to connect a power bank instantly if batteries die completely, preventing lockouts in critical moments.
Ideal for families or rental properties needing reliable and fast access control, this lock balances performance with versatility. Its 12-month warranty and lifetime technical support further enhance its value proposition for anyone seeking a premium home security upgrade.
Unmatched Recognition Speed
The 0.2-second fingerprint recognition ensures you never wait at the door, making entry seamless even when your hands are full of groceries or luggage.
Enhanced Sensor Technology
A larger sensor area with 360-degree seamless recognition minimizes misreads and accommodates users with varying finger conditions without requiring precise alignment.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Fingerprint Door Lock Biometric Door Knob with Keypad – Best Budget Biometric Door Knob
Fingerprint Door Lock Biometric Door Knob with Keypad
0.5-second fingerprint recognition
100 fingerprints and 50 passwords
USB emergency power support
No drilling installation required
For those seeking an affordable entry into smart home security, this budget-friendly option delivers solid performance without breaking the bank. Its 4.0-star rating reflects reliable functionality for bedrooms and offices where cost is a primary consideration.
Pros
- Affordable price point
- Supports many users
- Simple installation process
- Four convenient unlocking methods
Cons
- Slower recognition speed than top models
- Admin setup required before use
We may earn a commission when you buy through this link, at no additional cost to you.
The lock supports up to 100 fingerprints and 50 passwords, making it suitable for large families or shared apartments. Installation is straightforward with no drilling or wiring required, and it fits standard wooden doors with adjustable swing options.
Note that you must register an administrator fingerprint before any other user can access the lock, which adds a setup step but enhances security. The USB port allows emergency power using an external bank though it does not charge internal batteries.
Best for renters or homeowners on a tight budget who still want keyless convenience, this model provides essential features effectively. While slower than premium picks, its ease of installation and user capacity make it a practical choice for interior doors.
Value-Focused Security
This model proves that you do not need to spend a fortune to get fingerprint access, offering core features at a competitive price point for average users.
Quick DIY Installation
Designed for hassle-free setup, the lock installs in minutes with standard tools and includes video tutorials to guide you through the process easily.
We may earn a commission when you buy through this link, at no additional cost to you.
3. GHome Smart Fingerprint Door Lock with Removable Battery – Best Premium Biometric Door Knob
GHome Smart Fingerprint Door Lock with Removable Battery
Removable 700mAh battery
0.2-second AI fingerprint recognition
100 fingerprints and 100 passcodes
Local data storage for privacy
This model combines innovation with premium features to offer the most user-friendly charging experience available. With a 4.5-star rating and a removable battery, it solves the common pain point of charging locks at the door while maintaining top-tier security.
Pros
- Convenient indoor battery charging
- High accuracy AI learning chip
- Privacy-focused local data storage
- Flexible access modes
Cons
- Higher price point
- Requires separate gateway for remote access
We may earn a commission when you buy through this link, at no additional cost to you.
The AI self-learning fingerprint chip improves recognition accuracy over time to achieve up to 99.98% precision. Data is stored locally rather than in the cloud, which significantly reduces hacking risks and enhances privacy for sensitive household entry points.
While it requires a separate gateway for remote access beyond Bluetooth range, the core features operate seamlessly without extra purchases. The anti-peep keypad allows random digits around your PIN to prevent shoulder surfing and keeps your entry code safe from prying eyes.
Best for tech-savvy users prioritizing privacy and convenience, this lock justifies its price through thoughtful design and robust security. The removable battery system makes maintenance easy and ensures you never face the inconvenience of disconnecting the entire lock to recharge.
Indoor Charging Convenience
Remove the battery like a phone and charge it safely inside your home, eliminating the need to leave a power bank on your door for hours.
Privacy-First Architecture
Local storage ensures your biometric data never leaves your device, protecting against cloud breaches and giving you complete control over access logs.
We may earn a commission when you buy through this link, at no additional cost to you.
4. Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock – Best For Bedroom Privacy
Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock
Bluetooth app control
Rechargeable battery system
Multiple operating modes
Five-second auto lock
This smart knob shines in environments requiring flexibility and quiet operation such as bedrooms or home offices. Its 4.2-star rating reflects user satisfaction with the various modes that tailor functionality to specific daily routines and privacy needs.
Pros
- Privacy and silent modes included
- App manages access records
- Rechargeable battery design
- Mechanical key backup
Cons
- Not suitable for weather strips
- Gateway needed for remote control
We may earn a commission when you buy through this link, at no additional cost to you.
The app allows you to manage fingerprints and share access with family members within Bluetooth range. Low battery notifications alert you via the app before power runs out, while the rechargeable battery provides up to one year of life with USB Type-C charging.
Be aware that the lock is not suitable for doors with weather strips installed which limits its use for exterior entryways. The auto lock timer resets to five seconds which balances security with convenience for interior traffic flow.
Ideal for users who value customizable operation and app integration, this model offers a reliable solution for personal spaces. The combination of rechargeable power and mechanical backups ensures you maintain access even during unexpected power or connectivity issues.
Customizable Privacy Control
Switch between Passage, Normal, Privacy, and Silent modes to match your activity level and ensure your personal space remains undisturbed when needed.
Smart Battery Management
Receive low battery alerts directly on your smartphone and recharge the built-in battery quickly using a standard USB Type-C cable.
We may earn a commission when you buy through this link, at no additional cost to you.
5. Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock – Best Match For Silver Decor
Fingerprint Door Lock, Smart Fingerprint Door Knob with Lock Silver
Bluetooth app control
Rechargeable battery system
Multiple operating modes
Seven-second auto lock
This silver version offers the same robust functionality as its black counterpart but with a polished aesthetic that complements modern hardware. Maintaining a 4.2-star rating, it provides identical smart features tailored for users who prefer a brighter finish for their interior doors.
Pros
- Elegant silver finish
- Same features as black model
- Rechargeable battery included
- Flexible operating modes
Cons
- Not suitable for weather strips
- Gateway needed for remote control
We may earn a commission when you buy through this link, at no additional cost to you.
The seven-second auto lock timer provides slightly more time to enter a room before the door re-locks compared to other models. App control remains central to the experience allowing you to check access records and add users effortlessly within Bluetooth range.
Installation requires careful alignment of the UP signs on both knobs to ensure proper function. The rechargeable battery simplifies maintenance and ensures long-term use without frequent battery replacements which reduces waste and cost over time.
Best for homes with silver or chrome accents, this model delivers style without compromising on security features. Whether you are outfitting a master bedroom or a home office, this lock provides the same privacy controls and app management as the standard version.
Aesthetic Versatility
The silver finish coordinates seamlessly with modern decor schemes providing a sleek and professional look for interior entryways and private rooms.
Identical Feature Set
Despite the color change, you retain access to all smart capabilities including app control rechargeable power and multiple operating modes for flexibility.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Fingerprint Door Lock – Smart Door Handle with Keypad – Best For Rental Properties
Fingerprint Door Lock – Smart Door Handle with Keypad
0.2-second recognition speed
100 fingerprints capacity
USB-C emergency power port
Universal fit design
With a 4.8-star rating identical to our top pick this model offers the same high-quality hardware and performance. Its design is particularly well-suited for rental properties or multi-user environments where rapid onboarding of new tenants is essential.
Pros
- High rating and performance
- Easy DIY installation
- Supports many users
- Low battery alarm
Cons
- Requires AAA batteries not included
- No smart gateway included
We may earn a commission when you buy through this link, at no additional cost to you.
The large recognition area ensures high accuracy for all users regardless of finger condition. Installation is universally compatible with most standard US residential doors requiring no drilling and featuring a reversible handle for left or right swing doors.
The package includes mechanical backup keys and IC cards to prevent lockouts in case of power failure. While batteries are not included the low battery alarm ensures you are never caught off guard by a sudden power loss at the door.
Best for landlords or property managers needing reliable security across multiple units, this lock balances ease of use with robust access control. Its proven track record and comprehensive kit make it a dependable choice for high-traffic living spaces.
Rental-Ready Design
The high user capacity and quick recognition allow you to grant access to numerous tenants efficiently without needing to exchange physical keys.
Renter-Friendly Installation
No drilling requirements mean you can install and remove the lock without damaging the door, preserving your security deposit in rental scenarios.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Fingerprint Door Lock Biometric Keypad Smart Door Knob – Best For Battery Life
Fingerprint Door Lock Biometric Keypad Smart Door Knob
400mAh rechargeable battery
Up to one year standby power
Backlit keypad feature
15-minute installation
This model distinguishes itself with a robust 400mAh rechargeable battery that offers up to a full year of standby power. With a 4.5-star rating, it is a strong contender for users who prioritize convenience and long-term battery reliability in their daily routine.
Pros
- Long battery life
- Backlit keypad for night
- Silent and passage modes
- Anti-peep password protection
Cons
- Limited fingerprint capacity
- Requires manual charging
We may earn a commission when you buy through this link, at no additional cost to you.
The backlit keypad ensures you can see and enter codes clearly even in dark hallways or at night. Features like silent mode and passage mode allow you to keep the door unlocked temporarily or disable sound for undisturbed rest.
Anti-peep password protection lets you enter random digits before and after your PIN to mask your actual code from observers. The 15-minute installation process is quick and requires only a single screwdriver fitting standard US doors easily.
Best for bedrooms or offices where quiet access and long battery life matter, this lock provides peace of mind. The inclusion of mechanical backup keys ensures you have a fallback method if the battery ever depletes unexpectedly during your day.
Nighttime Accessibility
The backlit keypad illuminates automatically ensuring you can enter passcodes without fumbling for light in dark or unlit corridors.
Extended Battery Performance
A high-capacity rechargeable battery reduces the frequency of charging cycles saving you time and ensuring consistent performance over months of use.
We may earn a commission when you buy through this link, at no additional cost to you.
8. GHome Smart Fingerprint Door Lock – Best For Local Data Privacy
GHome Smart Fingerprint Door Lock
Local fingerprint storage
Self-learning AI chip
20 fingerprints capacity
Five-second auto lock
Privacy-conscious users will appreciate that this model stores all fingerprint data locally with no cloud storage involved. With a 4.2-star rating, it offers a secure way to manage home entry without exposing biometric data to external servers.
Pros
- No cloud storage used
- AI adapts to usage
- Bluetooth app management
- Fast 1.5-second unlock
Cons
- Lower user capacity
- No included gateway
We may earn a commission when you buy through this link, at no additional cost to you.
The self-learning AI chip adapts to your usage patterns to boost recognition speed and reliability over time. You can manage access logs and set silent or passage modes directly through the app without needing an additional gateway device.
While the capacity is limited to 20 fingerprints and 20 passwords, it is sufficient for most private households. The lock features a rechargeable 400mAh battery that provides up to 10,000 unlocks or over 300 days of operation based on usage frequency.
Best for small families or individuals prioritizing data security, this lock delivers high privacy standards alongside convenience. The combination of local storage and app control provides a secure digital experience without compromising on user-friendly features.
Local Data Security
By storing data locally, you eliminate the risk of cloud hacking ensuring your biometric information remains entirely within your physical device.
Smart AI Adaptation
The chip learns from your scans to improve accuracy over time so the lock gets faster and more reliable the more you use it daily.
We may earn a commission when you buy through this link, at no additional cost to you.
9. GHome Smart Fingerprint Door Lock Silver – Best For Local Data Privacy Silver
GHome Smart Fingerprint Door Lock Silver
Local fingerprint storage
Self-learning AI chip
20 fingerprints capacity
Five-second auto lock
This silver variant offers the same privacy features as the black version ensuring local data storage without any cloud connectivity. With a 4.2-star rating, it provides the same self-learning AI and secure access control in a design that matches lighter hardware finishes.
Pros
- Silver finish available
- Local data privacy
- Self-learning AI chip
- Bluetooth app management
Cons
- Lower user capacity
- No included gateway
We may earn a commission when you buy through this link, at no additional cost to you.
The app lets you manage fingerprints and passwords directly while the self-learning chip adapts to usage for improved speed. This model is particularly valuable for homeowners who want robust security without relying on cloud-based infrastructure for sensitive data.
While capacity is lower than some models, it remains effective for standard household needs. The rechargeable battery ensures consistent power and the mechanical keys provide a reliable emergency backup should digital systems fail unexpectedly.
Best for those needing a silver finish with privacy features, this lock delivers security without compromise. Its local storage architecture ensures your data stays on-device giving you complete control over who accesses your home or office.
Secure Data Handling
All biometric data remains on the device, preventing external access and ensuring your privacy is maintained without reliance on internet servers.
Stylish Privacy Protection
You do not have to sacrifice aesthetics for security as this silver version combines a modern look with top-tier data protection standards.
We may earn a commission when you buy through this link, at no additional cost to you.
10. Fingerprint Door Lock Biometric Door Knob with Keypad Silver – Best Value Silver Option
Fingerprint Door Lock Biometric Door Knob with Keypad
0.5-second recognition speed
100 fingerprints capacity
USB emergency power support
No drilling installation required
This silver finish version of the budget model offers a sleek look for those who prefer metallic hardware on their interior doors. With a 3.8-star rating, it provides reliable entry with four distinct unlocking methods suitable for light to moderate use in homes or offices.
Pros
- Silver aesthetic appeal
- High user capacity
- Simple installation
- Multiple unlocking methods
Cons
- Lower user rating
- Admin setup required
We may earn a commission when you buy through this link, at no additional cost to you.
It supports up to 100 fingerprints which is ideal for larger families needing shared access. Installation remains straightforward with no drilling required and fits standard wooden doors with both left and right swing options available.
Note that you must register an administrator fingerprint first before adding other users to ensure controlled access. The USB port allows emergency power using an external bank though it does not charge internal batteries which requires planning during low-power events.
Best for budget-conscious shoppers wanting a silver finish, this model delivers basic keyless convenience effectively. While slower than premium options, its user capacity and installation ease make it a practical choice for secondary doors in apartments and shared housing.
Silver Aesthetic
The silver finish complements modern interiors and matches other chrome hardware fixtures for a cohesive look throughout your home or office.
Large User Capacity
Support for 100 fingerprints allows you to add every family member without needing to delete old codes frequently.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Biometric Door Knob
Selecting the right biometric door knob depends on several technical and practical factors. This guide helps you evaluate the most important aspects to find a model that fits your needs.
Recognition Speed and Accuracy
Recognition speed determines how quickly the lock identifies your finger and unlocks the door. Models with faster processors like 0.2 seconds provide smoother access while high accuracy ensures you do not experience false rejections in daily use. Look for sensors that support dry or elderly fingerprints to ensure reliability for all household members.
Prioritize models with larger sensors and AI learning chips to maximize convenience and accuracy over time.
Power Source and Battery Life
Biometric locks generally use either disposable AAA batteries or rechargeable internal batteries. Disposable batteries are easy to replace but require regular monitoring while rechargeable models reduce waste and often offer longer life. Check whether the lock includes an emergency power port to avoid being locked out if batteries die suddenly.
Choose rechargeable batteries if you prefer fewer replacements or emergency USB ports if you rely on disposable power sources.
Access Methods and Capacity
Consider how many people need access and which methods suit your lifestyle. Some models support up to 100 fingerprints and 50 passwords while others limit this to 20 entries. Multiple unlock options like keys, cards, apps, or codes add flexibility for guests or backup scenarios.
Ensure the lock supports enough user capacity and offers backup methods like physical keys for emergencies.
Smart Features and App Control
Smart features like app control, access logs, and remote locking enhance convenience but may require additional hubs. Some locks work directly via Bluetooth while others need a gateway for Wi-Fi or voice assistant integration. Review the app's user interface and whether it supports temporary codes for guests or service providers.
Decide if you need full remote access or if local Bluetooth connectivity is sufficient for your needs.
Installation Requirements
Most modern biometric knobs are designed for DIY installation but checking door compatibility is crucial. Measure your door thickness and backset dimensions to ensure the lock fits properly. Some models fit standard doors without drilling but may not work with weather strips or specific door materials.
Always verify your door measurements against the product specifications before purchasing to avoid installation issues.
Security and Privacy Features
Security should be a top priority when selecting a smart lock. Look for models that store fingerprint data locally instead of in the cloud to reduce hacking risks. Anti-peep keypads and auto-lock timers add layers of protection against unauthorized access or shoulder surfing.
Choose locks with local data storage and built-in security features like anti-peep codes for added peace of mind.
Warranty and Customer Support
A solid warranty indicates the manufacturer's confidence in their product quality. Many brands offer one-year warranties with lifetime technical support to assist with setup or troubleshooting. Responsive customer service can help resolve issues quickly if the lock malfunctions or fails to pair with your network.
Prioritize brands that offer extended warranties and accessible support to ensure long-term reliability for your purchase.
Design and Finish
The physical design of the knob impacts both aesthetics and usability. Finishes like matte black, silver, or brushed nickel help match your existing hardware. A large ergonomic sensor area ensures ease of use while a reversible handle accommodates left or right swing doors without modification.
Select a finish and design that complements your interior decor while offering ergonomic comfort for daily use.
How to Use and Care for Your Biometric Door Knob
Start by registering your administrator fingerprint before adding other users. Place your finger on the sensor steadily until it beeps or flashes indicating successful storage. Repeat this for each family member to ensure everyone has authorized access to the lock.
Test the lock thoroughly after installation using each unlock method. Check that the auto-lock timer functions correctly and that the battery indicator works. Keep mechanical keys in a safe place inside the home for emergency backup if the battery depletes.
Regularly clean the sensor with a soft dry cloth to remove dust and oils that may hinder recognition. Monitor battery levels through the app or low battery alarms to replace or recharge before power runs out. Avoid using harsh chemicals or excessive moisture on the keypad or housing.
Frequently Asked Questions
How do I register a fingerprint on a biometric door knob?
To register a fingerprint, first ensure the lock has power by inserting batteries or connecting it. Enter the setup mode via the administrator code or thumb turn, then place your finger on the sensor repeatedly until the device confirms registration. Repeat this process for each user you wish to authorize on the lock.
Can I use a biometric lock if my finger is dry or injured?
Many modern models feature sensors that adapt to dry or injured fingers by increasing sensitivity and scan area. If recognition is difficult, clean the sensor and ensure your hand is warm before scanning. Some locks offer alternative methods like passcodes or key cards for times when biometric access is compromised.
What happens if the battery dies while using a biometric door knob?
Most locks include a USB port to provide emergency power from an external bank to unlock the door. Once unlocked, replace or recharge the batteries immediately to restore normal function. Mechanical backup keys are also provided with most models to ensure you can always gain entry.
Are biometric door knobs secure against hacking?
Biometric locks are generally secure, especially models that store data locally on the device rather than in the cloud. Look for locks with encryption features and anti-peep keypads to prevent unauthorized access. Physical security features like anti-pick designs further enhance protection against tampering.
Do I need an internet connection for all smart biometric locks?
No many biometric door knobs operate fully offline using local Bluetooth connectivity and onboard processing. Internet connection is only required if you wish to access remote features via the cloud or voice assistants. Basic unlocking and fingerprint recognition work without Wi-Fi or cellular networks.
Can I install a biometric door knob on my rental apartment door?
Many biometric knobs are designed for DIY installation without drilling making them ideal for rental properties. Check your lease agreement and ensure the lock fits your door thickness and backset dimensions. These locks are reversible and easy to remove when you move out preserving your security deposit.
How do I add guests to my biometric door lock system?
You can add guests by registering their fingerprints or creating temporary passcodes through the app or lock settings. For short-term access, use one-time codes or scheduled passcodes that expire after a set period. Always delete guest credentials once their stay is complete to maintain security.
What is the typical battery life of a biometric door knob?
Battery life varies by model but ranges from a few months to a full year depending on usage frequency. Rechargeable batteries often last longer and reduce waste while disposable batteries are easier to replace. Monitor low battery alerts to ensure you maintain adequate power for reliable operation.
Final Thoughts on Choosing the Best Biometric Door Knob
Our top picks highlight the balance between speed, security, and convenience available in today's market. The Editor's Choice model offers unmatched recognition speed while the Budget option provides essential features at an affordable price point for average users.
When making your decision prioritize features that match your daily routine and privacy needs. Whether you value local data storage, app integration, or simple reliability there is a model on this list to suit your preferences.
Always check current prices and availability before purchasing to ensure you get the best deal. Prices may fluctuate frequently so comparing the options listed here helps you secure the right biometric door knob for your home.