1. Introduction
The XSDTS CS7 Smart Door Lock is an advanced security solution designed to provide convenient and robust access control for your home. Featuring multiple unlocking methods including 3D facial recognition, fingerprint, password, IC card, mechanical key, and Tuya app control, this lock offers flexibility and enhanced security. Its durable carved alloy construction and integrated camera with a wide-angle peephole ensure comprehensive protection and monitoring.
2. Key Features
- Multiple Unlock Methods: Supports 3D infrared facial recognition, fingerprint, password, IC card, mechanical key, and Tuya app.
- Robust Construction: Made from carved alloy material for enhanced durability and security.
- Automatic Locking/Unlocking: Advanced automatic technology for hands-free operation.
- Enhanced Security: Indoor double lock knob provides an additional layer of safety.
- Emergency Power: Features an emergency power supply option via USB in case of battery depletion.
- Rechargeable Battery: Built-in rechargeable lithium battery with low battery warning, offering approximately 3 months of use per full charge.
- Voice and Menu Guidance: English voice prompts and menu for ease of use.
- Unlock Record Query: Ability to query unlock records directly from the lock.
- Infrared Sensor Camera: Ensures effective operation and monitoring even in dark environments.
- Wide Door Compatibility: Suitable for wooden, stainless steel, bronze, double, and old-fashioned security doors.
- Reversible Handle: Compatible with both left and right opening doors.
- Built-in Peephole: Integrated digital peephole for visual monitoring.
- Remote Monitoring: Send photos to the mobile app for remote monitoring.
3. Package Contents
Please check the box for the following items:
- XSDTS CS7 Smart Door Lock (Front and Rear Panels)
- Mortise Lock Body (6068)
- IC Cards (typically 2-3)
- Mechanical Keys (typically 2)
- USB Charging Cable
- Installation Template
- Mounting Hardware (screws, pins, etc.)
- User Manual

4. Specifications
| Feature | Detail |
|---|---|
| Brand | XSDTS |
| Model Number | CS7 |
| Material | Carved Aluminium Alloy |
| Power Supply | Built-in Rechargeable Lithium Battery |
| Charging | USB Charge |
| Battery Life | Approx. 3 months per full charge |
| Protection Level | No Waterproof |
| Suitable for Mortise | 6068 |
| Installation Method | Punch-free installation |
| Fit Door Thickness | 40-90 mm (4-12 cm) |
| Suitable Door Type | Wooden, Steel, Brass, Stainless Steel, Bronze, Double, Old-fashioned Security Doors |
| Special Features | Built-in Peephole, Infrared Sensor Camera, Remote Photo Monitoring |
| Doorknob Function | Biometric, Key & Keypad |
| Connectivity | WiFi |
| Smart Home Platform | Tuya |
| Unlock Methods | 3D Infrared Face Recognition, Fingerprint, Password, IC Card, Mechanical Key, Tuya APP |
| Fingerprint Recognition | 99.9% success rate, <0.5s recognition |
| Language | English Voice and Menu |
| Handle Direction | Reversible (Left Open and Right Open All compatible) |
| Certification | CE, FCC |
| Origin | Mainland China |
5. Installation Guide
Proper installation is crucial for the optimal performance and security of your smart lock. It is recommended to watch the installation video and carefully follow the provided instructions and templates.
5.1. Pre-Installation Checks
- Ensure your door thickness is between 40-90 mm (4-12 cm).
- Verify that your door type (wooden, steel, etc.) is compatible.
- Confirm you have the correct mortise size (e.g., 6068). Refer to Figure 4 for mortise selection.
5.2. Door Measurement
Before drilling, accurately measure your door according to the diagram below:
5.3. Mortise Selection
Select the appropriate mortise size based on your existing lock or door specifications. The lock is compatible with a 6068 mortise.

5.4. Step-by-Step Installation
- Remove Old Lock: Carefully remove your existing door lock and handle.
- Prepare Door: Use the provided installation template to mark and drill necessary holes for the new smart lock and mortise. Ensure precise alignment.
- Install Mortise: Insert the mortise lock body into the door edge and secure it with screws.
- Install Front Panel: Route the connecting cables from the front panel through the door. Position the front panel and secure it.
- Install Rear Panel: Connect the cables from the front panel to the rear panel. Position the rear panel and secure it with screws.
- Test Operation: After installation, test the mechanical key and handle operation to ensure smooth movement before proceeding to electronic setup.
5.5. Installation Video
For a visual guide on the installation process, please refer to the video below:
Video 1: Smart Lock Installation Demonstration (Note: Video content is in Portuguese but provides clear visual steps).
6. Initial Setup and App Configuration
After physical installation, you need to configure the lock electronically and connect it to the Tuya Smart app.
6.1. Download and Install Tuya App
- Search for "Tuya Smart" in your smartphone's app store (Google Play Store or Apple App Store).
- Download and install the app.
- Register for a new account or log in if you already have one.
6.2. Pair the Lock with Tuya App
- Ensure your smartphone's Bluetooth and Wi-Fi are enabled.
- Open the Tuya Smart app and tap "Add Device" or the "+" icon.
- Select "Security & Video Surveillance" > "Smart Lock (Wi-Fi)" or allow the app to auto-discover the device.
- Follow the on-screen instructions to put the lock into pairing mode (usually by pressing a button on the lock's interior panel or entering a specific sequence).
- Enter your Wi-Fi network details when prompted.
- Once connected, you can rename your lock and complete the setup.

6.3. Registering Unlock Methods
After pairing, you can register users and their preferred unlock methods:
- Admin User: The first user registered is typically the administrator.
- Fingerprint: Follow the app's instructions to register fingerprints. You will usually need to place your finger on the sensor multiple times from different angles.
- Face Recognition: Stand in front of the lock's camera and follow the voice prompts to register your face.
- Password: Set up a numerical password through the app or directly on the lock's keypad.
- IC Card: Register IC cards by presenting them to the lock's sensor when prompted by the app.
- Temporary Passwords/eKeys: The Tuya app allows you to generate temporary passwords or eKeys for guests, which can be managed remotely.

7. Operating Instructions
7.1. Unlocking the Door
- Face Recognition: Stand directly in front of the lock's camera. The lock will automatically recognize your face and unlock.
- Fingerprint: Place your registered finger on the fingerprint sensor. The lock will unlock upon successful recognition.
- Password: Enter your registered password on the keypad, followed by the '#' key.
- IC Card: Present your registered IC card to the card reader area on the lock.
- Tuya App: Open the Tuya Smart app, select your lock, and tap the unlock button. You can also generate temporary passwords or eKeys for remote access.
- Mechanical Key: In case of emergency or battery failure, use the mechanical key to unlock the door. The keyhole is typically concealed.
7.2. Locking the Door
- Automatic Locking: The lock is designed to automatically lock after a set period once the door is closed.
- Manual Locking (from outside): Some models allow manual locking by pressing a specific button or holding the handle up.
- Manual Locking (from inside): Use the indoor double lock knob for additional security.
7.3. Monitoring Function
The built-in camera and peephole allow you to see who is at your door. The lock can also send photos to your Tuya app when someone approaches or attempts to unlock the door, providing real-time monitoring.
8. Maintenance
8.1. Battery Charging
The lock features a built-in rechargeable lithium battery. When the battery is low, the lock will provide a warning. Connect the provided USB charging cable to the lock's charging port and a suitable USB power source to recharge. A full charge typically lasts about 3 months.
8.2. 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.
8.3. Regular Checks
Periodically check the physical components of the lock for any signs of wear or damage. Ensure all screws are tight and the handle operates smoothly.
9. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Lock does not respond | Battery may be depleted. Recharge the battery using the USB cable. Ensure the lock is properly installed and connected. |
| Fingerprint not recognized | Ensure your finger is clean and dry. Try different angles. Re-register your fingerprint if issues persist. |
| Face recognition failure | Ensure adequate lighting (infrared sensor helps in dark). Stand at the correct distance and angle. Re-register your face if needed. |
| Password not working | Ensure you are entering the correct password followed by '#'. Check if the password has expired (for temporary passwords). |
| App cannot connect to lock | Ensure your phone's Bluetooth and Wi-Fi are on. Check if the lock is within Wi-Fi range. Restart the app and the lock. |
| Door does not lock automatically | Check door alignment and ensure the door sensor is not obstructed. Verify automatic locking settings in the Tuya app. |
10. User Tips
- Utilize All Unlock Methods: Take advantage of the multiple unlock options. For example, use fingerprint for quick daily access and the app for remote guest entry.
- Remote Monitoring: The built-in peephole and remote photo sending feature are excellent for monitoring visitors, even when you're not home.
- Night Vision: The infrared sensor camera ensures that facial recognition and monitoring work effectively even in low-light conditions.
- Automatic Convenience: The automatic locking and unlocking feature frees your hands, making entry and exit seamless.
- Battery Management: Pay attention to low battery warnings and charge the lock promptly to avoid being locked out. Always keep a mechanical key as a backup.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for warranty claims.





