1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Tuya WiFi Video Doorbell Door Phone system. Designed for multi-apartment buildings, this smart intercom system offers advanced security and convenience features, including video intercom, multiple unlocking methods, video surveillance, and night vision capabilities. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
2. Safety Information
Please observe the following safety precautions to prevent damage to the device or injury to yourself:
- Ensure all electrical connections are made by a qualified professional and comply with local electrical codes.
- Disconnect power before performing any installation or maintenance.
- Do not install the outdoor station in locations exposed to direct rain, prolonged sunlight, high humidity, or extreme temperatures.
- Keep the device away from water and other liquids.
- Do not attempt to disassemble or repair the device yourself. Contact qualified service personnel for assistance.
3. Product Overview
The Tuya WiFi Video Doorbell Door Phone system consists of an outdoor station and indoor monitors, available in 7-inch and 10-inch sizes. It integrates with the Tuya APP for remote access and control.

Figure 3.1: Outdoor unit and indoor monitors (7-inch and 10-inch options).
Outdoor Station Components

Figure 3.2: Outdoor station with key components labeled.
- Mic: For two-way audio communication.
- Night Vision: Infrared or white light for clear visibility in low light.
- Camera: 2 million CMOS digital color camera for high-resolution video.
- 5-inch Panel: Digital color screen for displaying information and interaction.
- IC Card Reader: For RFID access control.
- Speaker: For audio output.
- Keypad: For entering room numbers, passwords, and system settings.
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | LUCKING DOOR |
| Model Number | B1D1 |
| Origin | Mainland China |
| Smart Home Platform | Tuya |
| Certification | CE |
| Camera | 2 million CMOS digital color camera |
| Intercom Type | Full-duplex |
| Operating System | Linux platform |
| Power Supply | 12V and 48V POE |
| Outdoor Station Screen | 5-inch digital color screen |
| Indoor Monitor Sizes | 7-inch, 10.1-inch (optional) |
| Max Outdoor Stations | 3 (per single building) |
| Max Indoor Monitors | 4 (per householder) |
| Max Connected Devices | 240 |
| Network Cable Type | Cat5E/Cat6/Cat6e |
| Package Weight | 1.6 kg |
| Package Dimensions (LWH) | 20cm x 15cm x 15cm |
Product Dimensions

Figure 4.1: Detailed dimensions for the outdoor station and indoor monitors.
5. Setup and Installation
5.1 Outdoor Station Installation
- Based on the outdoor station's dimensions, drill a pre-embedded slot in the desired position on the iron gate or wall.
- Place the bottom cover of the outdoor station into the pre-embedded slot. Mark the slot position according to the fixing holes on the back cover, then drill the necessary holes. When embedding the back cover, ensure the depth allows the main board's exposed part to be flush.
- Insert a rubber plug into each pre-embedded slot hole. Secure the back cover using the provided screws, aligning them with the holes.
- Install the outdoor station onto the bottom cover and fasten it with screws.
- The recommended installation height is 1500mm from the ground, with the camera lens as the center.
- Avoid installing in areas exposed to rain, direct sunlight, high humidity, or high temperatures.

Figure 5.1: Diagram illustrating the installation process for the outdoor station.
5.2 Building Installation Wiring
The system supports various configurations for multi-apartment buildings. Ensure proper network cabling (Cat5E/Cat6/Cat6e) and use 48V POE or 12/15V POE switches (100M or Gigabit) for optimal performance and longer cable runs.

Figure 5.2: Example wiring diagram for a multi-building installation.
5.3 Device Interface and Lock Wiring
The outdoor station features a 7-pin wiring port for connecting to electric locks and other accessories. Refer to the diagram and table below for correct connections.

Figure 5.3: Device interface and wiring diagram for electric lock connections.
| Pin | Wire Color | Function |
|---|---|---|
| 1 | Red | NO_DC12V (Power for electric lock) |
| 2 | Black | NC (Normal close) |
| 3 | Yellow | COM |
| 4 | Green | NO (Normal open) |
| 5 | Blue | CTL (Magnetic lock) |
| 6 | White | DET (Door sensor) |
| 7 | Red | GND |
6. Operation
6.1 Video Intercom
When a visitor presses the call button on the outdoor station, they can enter the room number to call the corresponding indoor monitor. The indoor monitor will connect to the Tuya APP, pushing the video intercom call to the resident's mobile phone.
6.2 Unlocking Methods
The system offers multiple ways to unlock the door:
- Public Password: Enter the public password (default: 123456) on the outdoor station keypad.
- IC Card: Swipe a registered IC card on the outdoor station's card reader.
- Indoor Monitor: Press the 'Unlock' icon on the indoor monitor screen during a call or monitoring.
- Tuya APP: Press the 'Unlock' icon within the Tuya APP on your mobile device.
- Control Center: Request the control center to unlock the door.

Figure 6.1: One-click unlocking from the indoor monitor, compatible with electric, electric mortise, and magnetic locks.
6.3 Video Surveillance
You can monitor the outdoor station and connected POE cameras at any time:
- The indoor monitor can display live video from the outdoor station and connected POE cameras.
- Capture pictures or record videos from the indoor monitor for saving.
- The control center can also monitor the outdoor station.

Figure 6.2: One-touch monitoring function on the indoor monitor.
6.4 Night Vision White Light Function
When a visitor presses the call button, the photosensitive sensor detects low light conditions, and the white light function activates automatically to provide clear night vision. The white light turns off when sufficient ambient light is detected.
6.5 Secondary Outdoor Doorbell
A secondary outdoor doorbell can be added for each householder. This secondary unit can only call its paired indoor monitor, providing an additional layer of access control for individual apartments.
6.6 Product Demonstration Video
Video 6.1: Demonstration of the video doorbell system's call and unlock functions.
7. Settings
Important: System settings must be performed by a skilled administrator!
To enter system settings, enter "#" + 6-digit administrator password (default: 666666) + "#" in the standby interface. Then, click the same number on the keypad as before, and press "*" to return to the previous menu.

Figure 7.1: Administrator password entry screen for system settings.
7.1 Time Settings
Press "1" in the system settings menu to set the time and date of the outdoor station. If connected to an external network, the time will automatically update.
7.2 Volume Setting
Press "2" to adjust the intercom volume.
7.3 Door Magnetic Alarm
Press "3" to enable or disable the door magnetic alarm. The default setting is disabled, with a delay time of 30 seconds. Press "1" to enable, "2" to disable. Press "*" to return.

Figure 7.2: User interfaces for Time Settings, Volume Setting, and Door Magnetic Alarm.
7.4 Close Lock Delay
Press "4" to set the delay time for the door lock to close. The default delay time is 4 seconds.
7.5 IC Access Card Management
Press "5" to enter IC access card options.
7.5.1 Add IC Card
Press "1" to add an IC card. Each householder can have up to 9 IC cards. First, add the administrator card (room number "0000"). Enter the room number, then place the access control card near the card swiping range. After a beep, the card number will be displayed on the screen.

Figure 7.3: User interface for adding an IC card.
7.5.2 Delete IC Card
Press "2" to access delete options:
- 1. Delete a single IC Card: Press "1", input the access control card number to be deleted, or place the card near the swipe range. If the card number does not exist, it will prompt "card number does not exist"; otherwise, "the card has been deleted successfully".
- 2. Delete all Cards of the room number: Press "2", input the room number, then press "#" to delete all IC access cards for that room. If the room number does not exist, it will prompt "The room number does not exist"; otherwise, "Delete card successfully!".
- 3. Delete all Cards: Press "3" to delete all user cards from the system.

Figure 7.4: User interface for deleting IC cards.
7.6 Password Settings
Access password settings from the system settings menu.
7.6.1 Disable Unlock Password
Press "1" to disable the public unlock password.
7.6.2 Enable Unlock Password
Press "2" to enable the public unlock password.
7.6.3 Change Unlock Password
Press "3" to change the public unlock password. The default initial unlock password is 123456.
7.6.4 Change Admin Password
Press "4" to set the administrator password. The default initial administrator password is 666666.

Figure 7.5: User interfaces for password management.
7.7 Address Settings
This item typically does not need to be set by the end-user. The address number is 6 bits, representing Building (2-digit), Unit (2-digit), and Serial number (1-digit). For a single building, the building group is 1. The factory default room number is 201011 (Unit 1 of Building 1 of a single building).
7.8 Language Settings
Press "8" to change the language. Select the corresponding number for your desired language, and the outdoor station will restart.
7.9 System Settings (Restore Factory)
Press "9" to display local address, IP address, and version number. Press "1" to confirm restoring factory settings, which will delete all IC cards. Press "2" to return without restoring.
8. Maintenance
8.1 Cleaning
Regularly clean the outdoor station and indoor monitors with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the surfaces. Ensure the camera lens and screen are free from dust and smudges for optimal performance.
8.2 Software Local Upgrade
To upgrade the firmware, insert a TF card containing the new firmware into the designated slot on the device. Follow the on-screen prompts or specific instructions provided with the firmware update.
9. Troubleshooting
- "Room number does not exist" error: Ensure the correct room number is entered. Verify the room number configuration in the system settings.
- "Wrong password" error: Double-check the public unlock password or administrator password. If forgotten, the administrator password can be reset via system settings (if accessible) or by contacting technical support.
- Unregistered IC card: An unregistered card will cause the outdoor station to display a red light and beep 3 times. Ensure the card is properly registered in the system.
- No video/audio during intercom: Check network connections for both outdoor and indoor units. Ensure power is supplied correctly. Verify camera and microphone settings.
- Door not unlocking: Check the wiring to the electric lock. Ensure the unlock password or IC card is correct and registered. Verify the lock delay setting.
10. User Tips
- For optimal security, regularly change the default public unlock password and administrator password.
- Keep your Tuya APP updated to the latest version to ensure compatibility and access to new features.
- Consider the system's capacity (up to 240 devices) when planning for large apartment buildings to ensure all units can be accommodated.
11. Warranty and Support
This product comes with a one-year warranty from the date of original purchase. The warranty covers manufacturing defects but does not cover defects caused by buyer misuse, improper installation, or force majeure events. For technical support or warranty claims, please contact the seller directly via the platform's messaging system.





