1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your YRHAND A6 Smart Electronic Door Lock. This advanced keyless entry system offers multiple unlocking methods and smart home integration for enhanced security and convenience.
The YRHAND A6 is designed for versatility, suitable for various door types including frameless glass doors, wooden doors, steel doors, and outdoor gates. Its robust construction ensures high waterproof capabilities with an IP66 protection level, making it ideal for outdoor use. Remote control functionality is available via the Tuya APP, allowing for seamless management of your lock from anywhere.
Key Features:
- Multiple Unlocking Methods: Fingerprint, Tuya APP, IC Card, Password, Mechanical Key.
- High Waterproof Rating: IP66 for outdoor durability.
- Smart Home Integration: Tuya APP for remote management.
- Versatile Application: Suitable for various door materials and types.
- Low Power Alarm: Alerts when batteries are low.
2. Specifications
| Attribute | Value |
|---|---|
| Brand Name | YRHAND |
| YRHAND Model | A6 |
| Power Supply | DRY BATTERY (DC6V 4 pcs 1.5V AAA alkaline batteries) |
| Protection Level | IP66 |
| Fit Door Thickness | 35-60mm (38-70 mm, if over 70mm, please contact us) |
| Suitable Door Type | Steel Door, Wooden Door, Glass Door, Brass Door, Stainless Steel Door, Other |
| Finish Type | Other |
| Doorknob Function | Biometric, Key & Keypad |
| Connectivity | WIFI |
| Ways To Unlock | App, Card, WIFI, FINGERPRINT, Key |
| Material | Zinc Alloy (Alluminum alloy) |
| Handle Direction | Direction Reversible (Reversible) |
| Origin | Mainland China |
| Certification | CE, FCC |
| Smart home platform | Tuya |
| Color Options | Black/Sliver/Gold |
| Working Voltage | DC6V (4 pcs 1.5V AAA alkaline batteries) |
| Mechanical Keys | 2 pcs |
| Application | Interior or exterior door |
| Bluetooth standard | Android 4.3/IOS 7.0 above |
| Mortise sizes | 85 Series and 92 Series |
| Fingerprints Capacity | 100 Users |
| Password Capacity | 256 Users max |
| IC Card Capacity | 256 Users max |
| Password Length | 6-12 digits |
| Low Power Alarm | 4.8V |
| Standby Current | <45uA |
| Operation Current | <250mA |
| Working Temperature | -20~65℃ |
| Working Humidity | 15%~95% |
| APP | TUYA |
3. Unlocking Methods
The YRHAND A6 Smart Electronic Door Lock offers five convenient ways to unlock your door:
- Tuya APP Unlock: Remotely unlock your door using the Tuya smart home application on your smartphone.
- Fingerprint Unlock: Use your registered fingerprint for quick and secure access.
- IC Card Unlock: Tap a registered IC card on the lock's sensor to unlock.
- Password Unlock: Enter a pre-set password on the touch screen keypad.
- Key Unlock: In case of emergency or battery depletion, use the mechanical key provided.

Watch the video below for a demonstration of the various unlocking methods:
4. Installation Guide
4.1 Suitable Door Types
The YRHAND A6 Smart Lock is designed to be compatible with a wide range of door types, ensuring flexibility for various installations:
- Heat-resistant Doors
- Sliding Doors
- Aluminum Doors
- Wooden Doors
- Screen Doors
- Glass Doors with Frame
- Steel Doors
- Brass Doors
- Stainless Steel Doors

4.2 Door Thickness Requirements
The lock is designed for doors with a thickness between 35mm and 60mm. For doors exceeding 70mm in thickness, please contact customer service for assistance and potential alternative solutions.
4.3 Mortise Options
The YRHAND A6 Smart Lock is compatible with both 85 Series and 92 Series mortises. Please ensure you select the correct mortise type for your door. If you require a 92 Series mortise, please contact customer service for specific guidance.

4.4 Product Dimensions and Components
Familiarize yourself with the lock's dimensions and key components before installation:

- Dimensions: Approximately 350mm (Length) x 36mm (Width).
- Components: Touch Screen Keypad, IC Card Area, Doorbell, Fingerprint Reader, Mechanical Key Hole, USB Charging Port, Battery Box (requires 4x AAA batteries).
For detailed installation steps, please refer to the separate installation guide provided with your product package or consult the official YRHAND support resources.
5. Tuya APP Features and Setup
The YRHAND A6 Smart Lock integrates with the Tuya APP, offering comprehensive remote management and smart home functionalities. Ensure your smartphone meets the Bluetooth standard (Android 4.3/IOS 7.0 above) for optimal performance.

Key APP Functions:
- One Second Remote Unlock: Grant access instantly from anywhere.
- Online and Offline Passwords: Generate temporary or time-limited passwords for guests or service providers.
- Smart Housekeeper SMS Alert: Receive real-time notifications for door activity.
- Family Management: Easily add and manage users, assign different access levels.
- Unlock Record: View a history of all lock and unlock events.
- Anti-theft Alarm: Receive alerts for suspicious activity.
- Low Power Alarm: Get notified when batteries are running low, ensuring you replace them before the lock loses power.
- Smart Linkage: Integrate with other Tuya-compatible smart home devices to create automated scenes (e.g., lights turn on when the door unlocks).
To set up the Tuya APP, download it from your smartphone's app store, create an account, and follow the in-app instructions to pair your YRHAND A6 Smart Lock.
6. Maintenance
To ensure the longevity and optimal performance of your YRHAND A6 Smart Electronic Door Lock, follow these maintenance guidelines:
- Cleaning: Regularly wipe the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish and electronic components.
- Battery Replacement: The lock is powered by 4x AAA alkaline batteries. When the low power alarm (4.8V) is triggered, replace all four batteries promptly. Do not mix old and new batteries or different types of batteries.
- Fingerprint Sensor: Keep the fingerprint reader clean and dry. Dust or moisture can affect its accuracy.
- Keypad: Ensure the touch screen keypad is free from dirt and debris.
- Mechanical Key Hole: Keep the mechanical key hole clear. Avoid inserting foreign objects.
- Environmental Conditions: While the lock has an IP66 rating for water and dust resistance, extreme temperatures or prolonged exposure to harsh weather conditions can still impact its performance.
- Firmware Updates: Periodically check the Tuya APP for any available firmware updates for your lock. Updates can improve performance, add new features, and enhance security.
7. Troubleshooting
If you encounter issues with your YRHAND A6 Smart Electronic Door Lock, refer to the following common troubleshooting tips:
- Lock Not Responding:
- Check battery level. If the low power alarm has sounded or the lock is unresponsive, replace the batteries.
- Ensure the lock is properly installed and all connections are secure.
- Fingerprint Not Recognized:
- Ensure your finger is clean and dry.
- Try re-registering your fingerprint in the Tuya APP.
- Clean the fingerprint sensor.
- Password Not Working:
- Verify you are entering the correct password.
- Check if the password has expired (for temporary/time-limited passwords).
- Ensure the keypad is clean and responsive.
- IC Card Not Working:
- Ensure the IC card is properly registered.
- Try tapping the card firmly and directly on the IC card area.
- APP Connectivity Issues:
- Ensure your phone's Bluetooth and Wi-Fi are enabled.
- Check if the lock is within range of your Wi-Fi router.
- Restart the Tuya APP or your smartphone.
- If the Wi-Fi signal is weak, consider changing the device position or using a Wi-Fi extender.
- Mechanical Key Not Working:
- Ensure the key is fully inserted and turned correctly.
- Check for any obstructions in the keyhole.
- Lock Beeps Continuously:
- This may indicate a low battery warning or a security alert. Check the Tuya APP for notifications.
If the problem persists after trying these steps, please contact YRHAND customer support for further assistance.
8. Warranty and Support
YRHAND is committed to providing high-quality products and excellent customer service. Your A6 Smart Electronic Door Lock comes with several service commitments:
- Free Returns: Enjoy free returns within 90 days of purchase.
- Fast Delivery Guarantee: If delivery is delayed, you may collect a $1.00 coupon code.
- Refund for Issues:
- Full refund if the package is lost.
- Full refund if items are damaged upon arrival.
- Full refund if no delivery within 30 days.
- Security & Privacy: Your personal details are protected and not shared with third parties without your consent.
For any product-related inquiries, technical support, or warranty claims, please contact the YRHAND Official Store customer service. You can find contact information on your purchase receipt or the seller's official platform page.





