1. Introduction
Thank you for choosing the XSDTS A16 Biometric Electronic Digital Glass Smart Door Lock. This manual provides detailed instructions for the installation, operation, and maintenance of your new smart lock. Please read this manual carefully before installation and use to ensure proper functionality and safety.
The XSDTS A16 is designed for glass doors in offices and business departments, offering multiple secure unlocking methods including fingerprint, password, IC card, Tuya App, and optional remote control.
2. Product Overview
2.1 Key Features
- Multiple Unlocking Methods: Fingerprint, Password, IC Card, Tuya App, Remote Control (optional).
- High-Performance Chip: Fast recognition speed, stores up to 100 fingerprints.
- Virtual Password: Anti-peep function for enhanced security.
- Durable Construction: Aluminium alloy and ABS plus alloy material.
- Emergency Power: USB charging port for emergency power supply.
- Built-in Doorbell: Convenient for visitors.
- Adjustable Handle Direction: Compatible with left and right opening doors.
2.2 Product Components and Dimensions
Familiarize yourself with the main components and dimensions of your smart lock:

Figure 1: Product Dimensions and Labeled Parts
3. Specifications
The following table outlines the technical specifications of the XSDTS A16 Smart Door Lock:

Figure 2: Technical Specifications
| Feature | Detail |
|---|---|
| Unlock Method | Fingerprint, Password, IC Card, Tuya APP, Remote Control (optional) |
| Password Verification Speed | 0.4s |
| Door Distance | 5-15mm |
| User Capacity | Fingerprint: 100, Card: 200, Password: 200 |
| Battery Type | 4pcs AAA battery (not included) |
| Operating Temperature | -25°C ~ 65°C |
| Suitable Door Type | Frameless glass doors: sliding door, swing door, double door, single door |
| Applicable Door Thickness | 10-12 mm |
| Language | English Voice and menu |
| Material | Aluminium alloy, ABS plus alloy |
| Power Supply | DRY BATTERY |
| Connectivity | Bluetooth |
| Smart Home Platform | Tuya |
| Special Features | Built-in Doorbell, Support USB charge |
| Handle Direction | Left Open and Right Open All compatible |
4. Installation
4.1 Before Installation
- Ensure your door is a frameless glass door with a thickness between 10-12 mm.
- Verify the door distance is between 5-15mm.
- The lock supports both left and right opening doors, and single or double doors.
- Prepare 4 AAA batteries (not included).
4.2 Installation Method
The XSDTS A16 smart lock features a punch-free installation method, making it easy to install without drilling holes in your glass door.
4.3 Adjusting Door Opening Direction
The lock is designed to be compatible with various door configurations. You can easily adjust the handle direction to suit your specific door type (single right, single left, double left, double right).

Figure 3: Door Opening Direction Adjustment
5. Operation
5.1 Unlocking Methods
The XSDTS A16 offers multiple convenient ways to unlock your door:
- Fingerprint Unlocking: Place your registered finger on the fingerprint sensor. The lock will verify and unlock.
- Password Unlocking: Enter your registered password on the keypad.
- IC Card Unlocking: Present your registered IC card to the card reading area.
- Tuya App Unlocking: Use the Tuya Smart app on your smartphone to remotely unlock the door via Bluetooth connection.
- Remote Control Unlocking (Optional): If you have the optional remote control, press the unlock button.
- Emergency Power Supply Unlocking: In case of battery depletion, connect a USB power bank to the emergency charging port to temporarily power the lock and unlock it.

Figure 4: Multiple Unlocking Methods
5.2 Virtual Password Feature
To prevent others from peeping your password, the lock supports a virtual password feature. You can enter any arbitrary numbers before and after your correct password, as long as the correct password sequence is entered consecutively in the middle.

Figure 5: Virtual Password for Enhanced Security
5.3 Tuya App Smart Management
The Tuya Smart app allows for intelligent management of your lock:
- Bluetooth Connection: Easily connect your smartphone to the lock via Bluetooth.
- Remote Unlocking: Unlock the door with a single click from your phone.
- Unlock Log: View a record of all unlocking events, including method and user.
- Temporary Passwords: Generate temporary passwords for guests or service personnel.
- Member Management: Add, modify, or delete user fingerprints, cards, and passwords.

Figure 6: Tuya App Smart Management Interface
5.4 Always-On Mode
The lock features an 'always-on' mode, allowing the door to remain unlocked for extended periods, which can be useful in high-traffic environments during business hours. To activate or deactivate this mode, follow the instructions in the lock's menu or refer to the video demonstration.
5.5 Operation Demonstration Video
Watch this video for a visual guide on various unlocking methods and features:
Video 1: Demonstration of Fingerprint, Password, IC Card, Remote Control, App, Emergency Power, and Always-On Mode Unlocking.
6. Maintenance
- Battery Replacement: The lock operates on 4 AAA batteries. Replace them promptly when the low battery indicator appears to ensure continuous operation.
- Emergency Power: In case of complete battery drain, use a standard USB power bank to provide emergency power via the USB charging port for temporary unlocking.
- Cleaning: Wipe the lock surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
- Fingerprint Sensor Care: Keep the fingerprint sensor clean and dry for optimal recognition performance.
7. Troubleshooting
- Lock not responding: Check battery levels. If batteries are low, replace them or use emergency USB power.
- Fingerprint not recognized: Ensure your finger is clean and dry, and placed correctly on the sensor. Re-register your fingerprint if issues persist.
- Password not working: Double-check the entered password. Remember the virtual password feature allows extra digits before and after the correct sequence.
- IC card not recognized: Ensure the card is correctly presented to the reading area. Re-register the card if necessary.
- App connection issues: Ensure Bluetooth is enabled on your phone and the lock. Restart the app or the lock if connection problems occur.
- Door not locking automatically: Verify that the 'always-on' mode is not activated.
8. User Tips
- Flexible Access Control: Utilize the 'always-on' mode during business hours to allow free entry and exit, then deactivate it at the end of the day for enhanced security.
- Temporary Access: For visitors or maintenance staff, use the Tuya app to generate temporary passwords that expire after a set period, providing convenient yet secure access.
- Regular Battery Checks: Although the lock has an emergency power option, it's good practice to regularly check battery status and replace them proactively to avoid inconvenience.
9. Warranty and Support
XSDTS is committed to providing high-quality products. This product is designed for durability and reliable performance. For any technical assistance, warranty claims, or further inquiries, please contact XSDTS customer support through your purchase platform.
The product is certified as original and adheres to security and privacy standards, ensuring your personal details are kept safe and secure.





