Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your XSDTS Smart WiFi Door Lock, Model DF14. Please read this manual carefully before installation and use to ensure proper functionality and safety.
Product Overview
The XSDTS Smart WiFi Door Lock is an advanced security solution featuring multiple unlocking methods, including 3D facial recognition, fingerprint, password, smart card, and mechanical key. It integrates a doorbell, intercom, and tamper alarm, providing real-time monitoring and remote access via the Tuya App.

Figure 1: Front view of the XSDTS Smart WiFi Door Lock showing the facial recognition sensor and the integrated screen, alongside a mobile phone displaying the remote unlocking interface.
Key Features:
- 7-in-1 Unlocking Methods: 3D Facial Recognition, Tuya App, Fingerprint, Access Code, Smart Card, Mechanical Key, Temporary Password.
- Integrated Display: View real-time outdoor situations and visitors.
- Tuya App Integration: Remote unlocking, video communication via doorbell, real-time monitoring, and unlock record inquiry.
- Advanced Biometrics: High success rate (99.9%) for fingerprint recognition, fast unlocking (<0.5s).
- Durable Construction: Aluminum material, designed for long-term use.
- Rechargeable Battery: Built-in lithium battery, approximately 3 months of use per full charge.
- Security Features: Automatic locking, anti-peeping password, tamper alarm.
Package Contents
Verify that all components are present and undamaged before proceeding with installation.

Figure 2: Illustration of the complete package contents, including the front panel, back panel, lock body, smart cards, mechanical keys, and installation screw kit.
- Front Panel x 1
- Back Panel x 1
- Lock Body (Mortise Lock) x 1 (Optional, depending on model)
- Smart Card x 4
- Mechanical Key x 2
- Screw Kit x 1
- User Manual (this document)
Installation Guide
This section provides detailed steps for installing the smart door lock. Professional installation is recommended if you are unfamiliar with door lock mechanisms.
1. Door Compatibility Check
Ensure your door meets the following specifications:
- Door Thickness: 35mm to 110mm.
- Suitable for wooden or metal doors.

Figure 3: Door measurement guide, illustrating how to measure door thickness and the dimensions of the mortise lock for proper fit.
2. Mortise Lock Selection and Measurement
Select the correct mortise lock size based on your door's existing lock or prepare the door for the provided mortise lock. The standard size is 6068-S, but other sizes are available.

Figure 4: Mortise lock dimensions (e.g., 24-240 (6068)) and various compatible sizes, crucial for selecting the correct lock body.
3. Installation Steps
- Prepare the Door: If replacing an old lock, remove it. Drill necessary holes according to the provided template (not included in this data, but implied by installation).
- Install Mortise Lock: Insert the mortise lock into the door edge and secure it with screws.
- Install Spindle and Cables: Insert the spindle through the mortise lock. Connect the necessary cables from the front panel to the back panel.
- Attach Front Panel: Secure the front panel to the door, ensuring the cables pass through correctly.
- Attach Back Panel: Connect the cables to the back panel and secure it to the door using the screw kit.
- Install Battery: Insert the rechargeable lithium battery into the designated compartment in the back panel.
- Test Functionality: After installation, test all unlocking methods (mechanical key, fingerprint, password) to ensure smooth operation.
Operating Instructions
1. Initial Setup and Administrator Registration
Upon first power-on, the lock will prompt for administrator registration. Follow the voice prompts (English language supported) to register the first fingerprint, password, or facial recognition as the administrator.
2. Unlocking Methods
- 3D Facial Recognition: Stand in front of the lock, align your face with the sensor. The lock will recognize and unlock.
- Fingerprint: Place your registered finger on the fingerprint sensor. The lock will unlock in less than 0.5 seconds.
- Password: Enter your registered password on the keypad, followed by '#'. Use the anti-peeping feature by entering random numbers before or after your actual password.
- Smart Card: Present a registered smart card to the card reader area.
- Mechanical Key: In case of emergency or battery depletion, use the mechanical key to unlock the door.
- Tuya App Remote Unlocking:
- Download and install the "Tuya Smart" or "Smart Life" app from your app store.
- Register an account and add the smart lock device following the in-app instructions.
- When someone presses the doorbell, you will receive a video call notification on your phone. You can view the visitor in real-time and choose to unlock remotely.
- The app also allows for temporary password generation, viewing unlock records, and smart scene linkage.

Figure 5: Tuya App control interface, demonstrating features like mobile unlocking, temporary password generation, door opening records, and alarm messages.
3. Adding and Deleting Users
Refer to the lock's on-screen menu and voice prompts for adding or deleting fingerprints, passwords, and smart cards. Up to 110 biometric entries can be configured.
4. Monitoring Function
The integrated screen and camera allow for real-time monitoring of the area outside your door. When the doorbell is pressed, a video feed is sent to your mobile app.

Figure 6: High-definition screen monitoring, showing how the outdoor situation can be viewed through the camera lens when the door is closed.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the lock's surface. Avoid abrasive cleaners or solvents that may damage the finish or electronic components.
- Battery Charging: The lock features a built-in rechargeable lithium battery. When the low battery indicator appears, connect the lock to a power source using the provided USB cable for charging. A full charge typically lasts about 3 months.
- Mechanical Key: Keep the mechanical keys in a safe place outside the property for emergency access.
- Software Updates: Periodically check the Tuya App for firmware updates for your smart lock to ensure optimal performance and security.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding / No power. | Battery is depleted. | Charge the battery using the USB cable. Use the mechanical key for immediate access. |
| Fingerprint not recognized. | Finger is dirty/wet, sensor is dirty, or fingerprint not properly registered. | Clean your finger and the sensor. Re-register your fingerprint if the issue persists. Try another registered fingerprint or unlocking method. |
| Password not accepted. | Incorrect password entered, or password not properly registered. | Ensure correct password entry. Re-register the password if necessary. |
| Facial recognition fails. | Poor lighting, face not aligned, or facial data not properly registered. | Ensure adequate lighting. Re-align your face. Re-register facial data if needed. Note that photos, videos, or 3D models will not authenticate. |
| Cannot connect to Tuya App. | WiFi signal weak, incorrect network settings, or app not configured correctly. | Ensure strong 2.4GHz WiFi signal. Check app pairing instructions. Restart lock and router if needed. |
| Doorbell rings continuously / Malfunction. | Internal defect or sensor issue. | This indicates a potential hardware issue. Contact customer support for assistance. |
If problems persist after attempting these solutions, please contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | XSDTS |
| Model | DF14 (6068-S) |
| Material | Aluminum |
| Color | Black |
| Dimensions (L x W x H) | 7.5 x 44 x 7.5 cm (Product); 50 x 32 x 12 cm (Package) |
| Weight | 4 kg |
| Door Thickness Compatibility | 35mm - 110mm |
| Unlocking Methods | 3D Facial Recognition, Fingerprint, Password, Smart Card, Mechanical Key, Tuya App |
| Fingerprint Capacity | Up to 110 biometrics |
| Recognition Speed | Fingerprint: <0.5 seconds |
| Battery Type | Rechargeable Lithium Battery |
| Battery Life | Approx. 3 months per full charge |
| Special Features | Automatic Lock, Anti-Peeping Password, Battery Indicator, Integrated Screen, Intercom, Doorbell, Tamper Alarm |
Warranty and Support
For warranty information and technical support, please refer to the seller's policy or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.
Seller: Shan Tou Tong Sheng Trading CO., LTD
Return Policy: 7-day refund/replacement policy (as per Amazon.com.br).
For further assistance, please visit the product page on Amazon or contact the seller through your order history.





