1. Product Overview
The Tuya Smart Lock is an advanced security solution designed for various door types, offering multiple convenient unlocking methods and robust construction. Its wireless WiFi connectivity allows for remote control and real-time monitoring, enhancing your smart home experience.
Key Features:
- Multiple Unlock Methods: Fingerprint, Password, IC Card, Mechanical Key, and Mobile APP.
- Durable Construction: Crafted from carved aluminum alloy for strength, durability, and corrosion resistance.
- Wireless WiFi Connectivity: Seamless integration with your home network for remote access and monitoring.
- High-Precision Fingerprint Recognition: Quick and secure access with instant door opening.
- Emergency Power Supply: USB emergency charging port ensures access even if the battery is depleted.
- Low Battery Warning: Alerts you when the battery needs recharging. A full charge can last approximately 3 months.
- Adjustable Handle Direction: Compatible with both left and right opening doors.
- Indoor Double Lock Knob: Provides an additional layer of security.
- Unlock Record Query: Ability to view unlock records directly from the lock.
- Wide Compatibility: Suitable for wooden doors, stainless steel doors, bronze doors, double doors, and old-fashioned security doors.
2. Setup and Installation
Proper installation is crucial for the optimal performance and security of your smart lock. Please follow the general guidelines below. For detailed, step-by-step instructions, refer to the dedicated installation guide included in your product packaging.
Pre-Installation Checks:
- Verify all components are present as per the packing list.
- Ensure your door thickness and backset measurements are compatible with the lock's specifications.
- Confirm the handle direction (left or right opening) and adjust if necessary before final installation. The lock supports adjustable handle orientation.

Figure 2.1: Smart Lock Dimensions and Color Options. This image illustrates the precise measurements of the lock's internal mechanism (mortise) and the external panels, crucial for ensuring compatibility with your door. It also showcases the available Rose Gold (labeled Gold) and Black finishes.
General Installation Steps:
- Prepare the Door: Ensure the door is properly drilled according to the provided template.
- Install Mortise Lock: Insert the mortise lock into the door edge and secure it.
- Install Front Panel: Connect the front panel to the mortise lock, ensuring cables are routed correctly.
- Install Rear Panel: Connect the rear panel, attach the battery, and secure all screws.
- Test Operation: After installation, test all unlocking methods and ensure smooth handle operation.

Figure 2.2: Assembled Tuya Smart Lock. This image displays the complete smart lock unit from the front, highlighting its integrated numeric keypad and the fingerprint sensor located on the handle.
3. Operating Instructions
Your Tuya Smart Lock offers multiple ways to unlock, providing flexibility and convenience. Familiarize yourself with each method to maximize your lock's functionality.
3.1 Unlocking Methods:
- Fingerprint Unlock: Place your registered finger on the fingerprint sensor located on the handle. The lock will verify your fingerprint and unlock.
- Password Unlock: Enter your registered password on the numeric keypad, followed by the '#' key.
- IC Card Unlock: Present your registered IC card to the card reader area on the lock's keypad. The lock will beep and unlock upon successful verification.
Figure 3.1: IC Card Unlocking. This image shows how to use an IC card to unlock the smart lock, highlighting its convenience for users of all ages.
- Mechanical Key Unlock: In case of emergency or battery depletion, insert the mechanical key into the hidden keyhole and turn to unlock.
- APP Unlock (Tuya Smart App): Download the Tuya Smart App on your smartphone. Pair the lock with the app via WiFi. You can then remotely unlock the door, manage users, and view unlock records from anywhere.
Figure 3.2: APP Control and Remote Access. This image illustrates the use of the Tuya Smart App for managing and unlocking the smart lock remotely, alongside a physical remote control option.
3.2 Security Features:
- Indoor Double Lock Knob: For enhanced security, turn the internal knob to engage the double lock mechanism, preventing external entry even with valid credentials.
- Pet-Proof and Childproof Unlocking: The handle design requires a specific action (press down then rotate) to open, which helps prevent accidental unlocking by pets or young children.
Figure 3.3: Pet-Proof and Childproof Unlocking. This image demonstrates the safety feature of the handle that requires a specific action to open, preventing unintended access by pets or small children.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Tuya Smart Lock.
4.1 Cleaning:
- 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.
- Keep the fingerprint sensor clean and free of dirt or moisture for accurate readings.

Figure 4.1: IMD Brushed Panel Process. This image provides a close-up of the lock's surface, showcasing the high-quality IMD (In-Mold Decoration) brushed panel finish, which is durable and easy to clean.
4.2 Battery Management:
- The lock will provide a low battery warning when power is running low. Recharge the battery promptly.
- Use the USB emergency charging port located at the bottom of the lock to temporarily power it with a power bank or USB charger if the battery is completely depleted.
- Ensure the battery is fully charged for optimal performance and longevity. A full charge typically lasts about 3 months.
5. Troubleshooting
If you encounter issues with your Tuya Smart Lock, refer to the common problems and solutions below. If the problem persists, contact customer support.
Common Issues and Solutions:
- Lock Not Responding:
- Check battery level. Recharge or use USB emergency power.
- Ensure the handle is not jammed or obstructed.
- Fingerprint Not Recognized:
- Ensure your finger is clean and dry.
- Try repositioning your finger on the sensor.
- Re-register your fingerprint if the issue persists.
- Password Not Working:
- Verify you are entering the correct password.
- Ensure you press '#' after entering the password.
- IC Card Not Working:
- Ensure the card is registered.
- Present the card correctly to the reader.
- APP Connectivity Issues:
- Ensure your home WiFi network is stable and the lock is within range.
- Check if the Tuya Smart App is updated to the latest version.
- Restart your router and the lock (if possible by removing/reinserting battery).
6. Specifications
Detailed technical specifications for the Tuya Smart Lock.
Attribute | Value |
---|---|
Brand | QDVOPHZA |
Model Name | w0u5903wei (X6-6068-U-24-240-R) |
Color | X6-6068-u-24-240-r (Rose Gold) |
Number of Pieces | 1 |
Item Weight | 50 Grams (1.76 ounces) |
Manufacturer | w0u5903wei |
Package Dimensions | 1.18 x 0.79 x 0.39 inches |
Department | Unisex Adult |
ASIN | B0DHLLXWCB |
Assembly Required | No |
7. Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the official documentation provided with your purchase or visit the manufacturer's official website. Contact details for customer service are typically available on the product packaging or the manufacturer's support page.