1. Product Overview
The Tuya WiFi Digital Electronic Smart Door Lock (Model MYQ-B2) offers advanced security and convenient access methods for your home. This intelligent lock integrates multiple unlocking options including biometric fingerprint, password, IC/NFC card, and traditional mechanical keys, all manageable via the Tuya Smart Life app.
It is designed for home security protection, suitable for various door types including wooden, steel, glass, brass, and stainless steel doors.
2. Important Safety Information
- This lock requires 4Pcs AA batteries for operation. Batteries are NOT included in the shipping package due to transportation regulations. Please purchase them separately.
- Ensure proper installation to prevent damage to the lock or door.
- Keep mechanical keys in a safe, accessible location outside the property for emergency access.
- Do not expose the lock to excessive moisture or extreme temperatures. This product is not waterproof.
- Regularly check battery levels and replace them when indicated by the low battery warning.
3. Package Contents
Upon opening the package, please verify that all the following components are present:
- Smart Door Lock (Front and Rear Panels)
- 5050 Mortise Lock Body
- Spare Mechanical Keys
- IC Cards
- Instruction Manual (this document)
- Punch Drawings / Installation Template
- Installation Screws and Accessories
4. Specifications
| Feature | Specification |
|---|---|
| Model Number | MYQ-B2 |
| Power Supply | 4 x AA Dry Batteries (not included) |
| Connectivity | WiFi (2.4G) |
| Ways To Unlock | App, Mechanical Keys, Card (IC/NFC), WiFi, Password, Fingerprint |
| System Capacity | 100 users |
| Material | Aluminium alloy (panel/handle) |
| Finish Type | Polished, Black oxidation treatment |
| Suitable Door Type | Steel Door, Wooden Door, Glass Door, Brass Door, Stainless Steel Door, Other |
| Fit Door Thickness | 35MM ~ 55MM (3.8 - 5.5 cm) |
| Suitable for Mortise | 5050 (default shipping) |
| Handle Direction | Direction Reversible |
| Protection Level | No Waterproof |
| Certification | CE |
| Life Test | 300,000 times |
5. Installation
Before installation, ensure your door meets the following requirements:
- Door Thickness: 35mm to 55mm.
- Mortise Type: The default mortise included is 5050. Verify compatibility with your door.
Installation Steps:
- Prepare the Door: Use the provided punch drawings/installation template to mark and drill holes on your door. Ensure precise measurements for the mortise, lock body, and handle components.
- Install the Mortise: Insert the 5050 mortise lock body into the prepared cavity on the door edge. Secure it with screws.
Figure 4: Dimensions of the 5050 Mortise lock body. Height: 160mm, Depth: 71.5mm, Backset: 50mm, Center to center: 101mm. - Install Front and Rear Panels: Connect the necessary cables between the front and rear panels. Align the spindle and mounting posts, then attach the panels to the door, securing them with screws.
- Install Batteries: Open the battery compartment on the rear panel and insert 4 AA alkaline batteries (not included).
- Test Functionality: After installation, test all unlocking methods (mechanical key, fingerprint, password, card) to ensure proper operation.
For detailed visual instructions, refer to the product video below:
6. Setup
The lock supports various unlocking methods and smart home integration via the Tuya Smart Life app.
6.1 App Setup (Tuya Smart Life)
- Download App: Download the "Tuya Smart" or "Smart Life" app from your smartphone's app store.
- Register/Login: Create an account or log in to your existing account.
- Add Device: In the app, tap '+' to add a new device. Select 'Security & Video Surveillance' > 'Smart Lock (Wi-Fi)'.
- Connect to Wi-Fi: Follow the in-app instructions to connect the lock to your 2.4GHz Wi-Fi network.
- Initial Configuration: Once connected, you can name your lock and proceed to add users and unlock methods.
6.2 Fingerprint Setup
The lock features an AI fingerprint sensor for quick and accurate recognition.
- Access Fingerprint Management: In the Tuya Smart Life app, navigate to your lock's settings and find 'Fingerprint Management'.
- Add Fingerprint: Follow the on-screen prompts to register new fingerprints. You will typically be asked to place your finger on the sensor multiple times from different angles.
- Assign User: Assign the registered fingerprint to a specific user profile.
6.3 Password Setup
You can set up various types of passwords for access.
- Access Password Management: In the Tuya Smart Life app, go to 'Password Management'.
- Generate Password: Choose between 'One-time Password' (valid for 6 hours, single use) or 'Unlimited Password' (valid for a specified period, unlimited uses).
- Set Password: Enter your desired password and confirm. You can also generate passwords remotely.
- Dummy Password Support: The lock supports dummy passwords, allowing you to enter random digits before or after your actual password to prevent shoulder surfing.
6.4 IC/NFC Card Setup
The lock supports IC/NFC card induction for quick unlocking.
- Access Card Management: In the Tuya Smart Life app, go to 'Card Management'.
- Add Card: Follow the app's instructions to register new IC/NFC cards. You will typically be asked to tap the card on the lock's sensor.
- Assign User: Assign the registered card to a specific user profile.
6.5 Mechanical Key Usage
Mechanical keys serve as an emergency backup. The lock features an invisible keyhole.
- Locate Keyhole: The invisible keyhole is typically located at the bottom of the front panel, often concealed by a cover.
- Insert Key: Insert the mechanical key and turn to unlock the door.
7. Operating Instructions
7.1 Unlocking the Door
- Fingerprint: Place your registered finger on the fingerprint sensor. The lock will unlock in approximately 0.5 seconds.
- Password: Enter your registered password on the keypad, followed by '#'.
- IC/NFC Card: Tap your registered IC/NFC card on the designated sensor area.
- App: Use the Tuya Smart Life app to remotely unlock the door.
- Mechanical Key: Use the mechanical key in the emergency keyhole.
7.2 Locking the Door
The lock features an automatic lock body. After closing the door, the lock will automatically engage.
- Electronic Locking Switch: On the rear panel, there is an electronic lock switch (ON/OFF). Ensure it is in the 'ON' position for automatic locking.
7.3 Remote Password Generation
You can generate and send passwords to guests or service providers remotely via the app.
7.4 Smart Home Linkage
Integrate your smart lock with other Tuya-compatible smart home devices to create automated scenes.
- Family Go Home: Set up a scene to trigger actions (e.g., turn on lights, adjust thermostat) when a family member unlocks the door.
- Lock Alarm Linkage: Configure the lock to trigger other smart devices (e.g., security camera recording, siren) if an alarm event occurs.
7.5 Lock Management and Notifications
The Tuya Smart Life app provides comprehensive management and real-time notifications.
- Real-time Status: Check the lock's status (locked/unlocked, battery level) from anywhere.
- User Management: Add, modify, or delete user profiles, fingerprints, passwords, and cards.
- Operation Records: View a history of all lock operations, including who unlocked the door and when.
- Alerts: Receive real-time notifications for events like low battery, forced entry attempts, or doorbell rings.
8. Maintenance
- Battery Replacement: Replace all 4 AA batteries when the low battery warning is issued. Do not mix old and new batteries.
- 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.
- Fingerprint Sensor: Keep the fingerprint sensor clean and dry for optimal performance.
- Keypad: Ensure the keypad is free from dirt or debris.
- Mechanical Parts: Periodically check the mortise and handle for any signs of wear or looseness. Tighten screws if necessary.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding | Dead batteries | Replace all 4 AA batteries. Use the Type-C emergency power supply if needed. |
| Fingerprint not recognized | Finger is wet/dirty, sensor is dirty, fingerprint not properly registered | Ensure finger and sensor are clean and dry. Re-register fingerprint if issue persists. |
| Password not working | Incorrect password, password expired (one-time), keypad dirty | Verify password. Check app for password validity. Clean keypad. |
| IC/NFC card not working | Card not registered, card damaged, sensor dirty | Register card via app. Try another card. Clean sensor. |
| Cannot connect to Wi-Fi | Incorrect Wi-Fi password, router too far, 5GHz Wi-Fi network | Ensure correct 2.4GHz Wi-Fi. Move router closer or use a Wi-Fi extender. Re-attempt connection. |
| Lock alarm triggered unexpectedly | Forced entry attempt, tamper detection, incorrect installation | Check door for signs of tampering. Review installation. Adjust sensitivity in app if available. |
10. User Tips
- Battery Life: To maximize battery life, use high-quality alkaline AA batteries. Consider carrying a portable power bank with a Type-C cable for emergency power if batteries die unexpectedly.
- Password Security: When entering passwords, utilize the dummy password feature by typing random numbers before and after your actual code to enhance security against prying eyes.
- App Notifications: Enable real-time notifications in the Tuya Smart Life app to stay informed about door activity and security alerts.
- Regular Testing: Periodically test all unlocking methods, especially the mechanical key, to ensure they are functioning correctly.
11. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided at the time of purchase or contact the seller directly.
For technical support, troubleshooting assistance, or inquiries regarding product functionality, please contact the Tuya Home Electronics Store customer service.
