Product Overview
The YRHAND Tuya Biometric Fingerprint Smart Door Lock offers multiple unlocking methods and smart features for enhanced home security and convenience. This manual provides essential information for installation, operation, and maintenance.
Key Features:
- Multiple Unlock Methods: Fingerprint, Password, M1 Card, Mechanical Key, Tuya APP (WiFi).
- Remote Access: Unlock and manage access remotely via the Tuya Smart APP.
- Real-time Tracking: Monitor unlock records and receive security alerts through the APP.
- Enhanced Security: Virtual password function to prevent peeping, AES 256 encryption.
- Privacy Deadbolt: Securely lock from inside, preventing external access even with user credentials.
- Low Battery Alarm: Alerts when battery voltage is low, allowing for approximately 200 more unlocks.
Figure 1: Smart Lock Components Overview
Setup and Installation
Package Contents:
- Front panel x 1
- Rear panel x 1
- Mortise lock x 1 (various options available)
- Smart card x 5
- M1 Wristbands x 2
- Mechanical Key x 2
- Screw Kit x 1
Video 1: Product Unboxing and Installation Overview
Door Compatibility Check:
Before installation, ensure the lock fits your door by measuring the following:
- Door thickness: Must be between 38mm and 50mm. If over 55mm, contact support.
- Length of the guide plate.
- Width of the guide plate.
Figure 2: Door Thickness and Lock Dimensions
Figure 3: Door Measurement Guide
Figure 4: Door Opening Directions
Handle Direction Adjustment:
The handle direction is reversible and can be adjusted to fit both right and left-opening doors.
Power Supply:
The lock is powered by 4 x AAA 1.5V alkaline batteries (not included). Ensure to use high-quality batteries for optimal performance.
Figure 5: Battery Compartment
Operating Instructions
Unlocking Methods:
- Fingerprint Unlock: Place your registered finger on the semiconductor fingerprint reader. The lock will verify and unlock.
- Password Unlock: Enter your 4-8 digit password on the touch keypad. Utilize the anti-peeping virtual password function by inputting random digits before or after your actual password.
- M1 Card/Wristband Unlock: Present a registered M1 card or wristband to the card reading area.
- Mechanical Key Unlock: Insert the mechanical key into the keyhole and turn to unlock. This is a backup method for emergencies or dead batteries.
- Tuya APP (WiFi) Remote Unlock: Use the Tuya Smart APP on your smartphone to remotely unlock the door.
Figure 6: Multiple Unlock Methods
Figure 7: Tuya Smart App Interface
Privacy Deadbolt Function:
To activate the privacy deadbolt, press the back locking key on the interior panel. A voice prompt will confirm "the door is locked." In this state, only administrators can unlock the door from the outside, enhancing privacy and security.
Figure 8: Privacy Deadbolt Switch
Free Style Handle:
The handle is in a free state when not locked, allowing it to be pressed down without damaging the internal mechanism. This design protects the lock from external forces.
Figure 9: Free Style Handle Operation
Maintenance
Battery Replacement:
When the battery voltage drops below 4.8V, the lock will issue an automatic alarm each time it is opened. After the alarm, the lock can still be opened approximately 200 times. Replace all four AAA batteries promptly when this occurs.
Cleaning:
Wipe the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
Resetting the Lock:
To reset the lock to factory settings, open the battery cover and locate the "SET" (Reset) button. Long press this button. When you hear the voice prompt "Successful", the reset is complete.
Figure 10: Reset Button Location
Troubleshooting
Common Issues and Solutions:
- Fingerprint scanner not working: Ensure your finger is clean and dry. Re-register your fingerprint if the issue persists. If the lock is installed on an exterior door and exposed to harsh weather, the scanner may be affected.
- Batteries draining quickly: Battery life can vary. Some users report several months of use, while others experience faster drainage. Ensure you are using good quality alkaline batteries. If WiFi is constantly active, it may consume more power.
- Cannot connect to WiFi: The lock connects to 2.4 GHz WiFi networks only, not 5 GHz. Ensure your router is configured correctly and the lock is within range.
- Remote unlock via APP not working: Verify the lock is properly connected to WiFi and the Tuya Smart APP. Some users have reported issues with remote commands, ensure the app and lock firmware are up to date.
- Lock not responding: Check battery levels. If batteries are dead, use the mechanical key or an external power supply via the Micro-USB port.
- Voice assistant too loud/unwanted: The voice prompt can be disabled or adjusted in the lock settings via the keypad or Tuya APP.
Security Alerts:
Figure 11: Security Alarm Notification
Specifications
| Attribute | Value |
|---|---|
| Brand Name | YRHAND |
| Model Number | 520tuya |
| Ways To Unlock | App, Mechanical Keys, WiFi, Password, FINGERPRINT |
| Material | Aluminium alloy |
| Handle Direction | Reversible (Right Push by default) |
| Origin | Mainland China |
| Certification | CE, FCC, RoHS |
| Smart home platform | Tuya |
| Unlock method | Fingerprint, App, code, M1 Card, key |
| Door Thickness Request | 38-50 mm (contact for over 55mm) |
| Working Voltage | DC6V (4 pcs 1.5V LR6 alkaline batteries) |
| Included Keys/Cards | 2 pcs Mechanical Keys & 5 cards |
| Application | Interior or exterior door (Note: Not waterproof) |
| Bluetooth standard | Android 4.3/IOS.7.0 above |
| App name | Tuya Smart |
| Mortise sizes | Single latch or 5050 (various options available) |
Figure 12: Detailed Specifications
Warranty and Support
The product comes with a 24-month manufacturer's limited warranty for defective items (excluding damages caused by misuse or improper receipt). Defective items must be reported and returned within the warranty period in their original packaging.
For any support or inquiries, please contact the seller directly.
User Tips
- Battery Life: Battery duration can vary significantly based on usage frequency and WiFi activity. Some users report several months of use, while others experience faster drainage. Using high-quality alkaline batteries is recommended.
- WiFi Connection: The lock is designed to connect to 2.4 GHz WiFi networks. It is not compatible with 5 GHz networks. Ensure your home network is configured accordingly.
- Water Resistance: This product is NOT waterproof. Avoid installing it in locations directly exposed to rain, snow, or other harsh weather conditions, especially for exterior doors, as this can affect functionality like the fingerprint scanner.
- Handle Orientation: The handle's opening direction (left or right) is adjustable during installation.
- Voice Prompts: The lock features voice prompts for operations. These can typically be muted or adjusted through the lock's settings menu or the Tuya Smart app.
- Remote Access: While the Tuya APP supports remote unlock, ensure a stable 2.4 GHz WiFi connection for reliable operation. Some users have noted occasional inconsistencies with remote commands.
- Installation: Installation is generally considered straightforward, especially with the provided video instructions. However, careful measurement of your door and mortise is crucial for a proper fit.