1. Introduction
The OBO HANDS IDT-HD Tuya Video Doorbell System is a comprehensive smart access control solution designed to enhance home security and convenience. This system integrates a high-definition video doorbell with wireless Wi-Fi connectivity, allowing for remote monitoring, two-way communication, and electric door lock control via the Tuya Smart APP. It also supports RFID card unlocking for easy access.
Figure 1: Overview of the OBO HANDS IDT-HD Tuya Video Doorbell System components.
2. Key Features
- Remote Access: Mobile phone remote fast wake-up and control via Tuya Smart APP.
- Connectivity: 2.4G Wi-Fi connection (5G not supported) and RJ45 port for wired connection.
- Video Quality: 1080P HD camera with a 120° wide-angle lens.
- Two-Way Audio: High-quality two-way talk with noise cancellation.
- Unlocking Methods: Supports remote unlocking via APP and RFID card unlocking.
- Motion Detection: Alerts push notifications to your mobile phone when someone hovers at the door.
- Night Vision: Day and night mode automatic switching, with clear visibility up to 10m in low light.
- Durability: Outdoor camera equipped with a weatherproof cover (SIP55 rainproof level).
- Compatibility: Can connect to various electronic locks.
3. System Components
The system typically includes the following main components, though specific kits may vary:
- Tuya Video Doorbell Call Panel (Outdoor Unit): The main camera and intercom unit.
- Power Supply Control (Model K803A): Provides stable power to the access control system.
- Door Exit Switch Button: For convenient exit from inside.
- RFID Key Fobs (125KHz): For card-based unlocking.
- Electric Lock (Optional, based on kit): Various types available, including Electric Strike Lock, Electric Drop Bolt Lock, and Electric Magnetic Locks (surface or embedded, with optional L, U, or ZL brackets).
- Power Adapter: Specific to region (US, EU, AU, UK).
Component Details
Outdoor Camera Call Panel
Figure 2: Outdoor Camera Call Panel with labeled parts (Rain cover, HD camera, Speaker, Call button, Card zone, Microphone, Wiring port, Network port).
Power Supply Control (K803A)
Figure 3: Power Supply Control unit dimensions (138mm x 67mm x 37mm) and time delay adjustment (0-15s).
Figure 4: Internal view of the Power Supply Control board, showing wiring port, relay, time delay, and transformer.
Door Exit Switch Button
Figure 5: Various views of the Door Exit Switch Button.
RFID Key Fobs
Figure 6: Example of 10pcs 125KHz RFID Keyfobs.
Electric Strike Lock
Figure 7: Electric Strike Lock components and installation steps.
Electric Drop Bolt Lock
Figure 8: Electric Drop Bolt Lock with internal components labeled.
Figure 9: Close-up of Electric Drop Bolt Lock indicator and voltage/current details.
Electric Magnetic Lock (Surface Installed)
Figure 10: Surface Installed Electric Magnetic Lock with dimensions and application examples.
Figure 11: Surface Installed Electric Magnetic Lock showing waterproof feature and application examples.
Electric Magnetic Lock (Embedded Installed)
Figure 12: Embedded Installed Electric Magnetic Lock with dimensions.
Figure 13: Installation diagrams for embedded magnetic lock in metal and wooden door frames.
4. Setup and Installation
4.1 App Pairing and Wi-Fi Connection
Follow these steps to connect your doorbell to the Tuya Smart APP:
- Download and open the Tuya Smart APP on your iOS or Android smartphone.
- In the app, tap 'Add Device'.
- Scroll down to 'Security & Video Surveillance' and select 'Smart Doorbell'.
- Ensure the doorbell's indicator light is flashing quickly or a prompt tone is heard. Confirm this in the app and tap 'Next'.
- Select your 2.4 GHz Wi-Fi network (5G networks are not supported) and enter the password. Tap 'Next'.
- The app will display a QR code. Position your phone 15-20 cm away from the doorbell camera so the camera can scan the QR code.
- Once the doorbell successfully scans the code and connects, the app will confirm the device has been added.
Video 1: Demonstration of Tuya app pairing and doorbell call/talk/unlock functionality.
4.2 Wiring Diagrams
Proper wiring is crucial for the system's functionality. Refer to the diagrams below based on your connection type and chosen electric lock.
Wireless Network Connection
Figure 14: Schematic diagram for wireless network connection of the outdoor unit, showing connection to router and mobile devices.
Wired Network Connection
Figure 15: Schematic diagram for wired network connection of the outdoor unit, including power supply, door exit button, and electric locks.
4.3 Electric Lock Installation Notes
- Electric Strike Lock: This lock is designed for built-in installation and is suitable for metal or wooden 90-degree swinging doors. Available in NC (Normally Closed) and NO (Normally Open) modes. The default is NC mode (locked when powered on, unlocked when powered off).
- Electric Drop Bolt Lock: This lock is designed for unfold installation and is suitable for wooden, metal, and stainless steel doors. No bracket is needed. When connecting, ensure the red wire is connected to 'NC' and the black wire to 'GND' of the power supply. Other wires are not typically connected.
- Electric Magnetic Lock (Surface Installed): Designed for unfold installation, suitable for wooden, metal, and glass-framed doors. No bracket is needed for standard installations.
- Electric Magnetic Lock (Embedded Installed): Suitable for wooden, metal, and framed glass doors. No bracket is needed.
- Brackets for Magnetic Locks:
- U Bracket: For frameless glass doors. Size: 130*33*26mm (L/W/H).
- L Bracket: For wooden or metal doors where the door is flat or the gap to the door frame is less than 3cm (when viewed from indoors). Size: 170*34*25mm (L/W/H).
- Z & L Bracket: For wooden, metal, or glass doors that open inwards from the indoor side. L Bracket Size: 170*34*25mm (L/W/H), Z Bracket Size: 138*45*45mm (L/W/H).
Power Adapter Selection
Ensure you select the correct power adapter type for your region (US, EU, AU, UK). If no preference is specified, the EU type will be sent by default.
Figure 16: Available power adapter types.
5. Operation
5.1 Answering Calls and Two-Way Talk
When a visitor presses the doorbell button, your smartphone will receive a push notification. You can then:
- Accept the call to view the live video feed from the doorbell camera.
- Engage in two-way audio communication with the visitor using the app's microphone and speaker functions.
Figure 17: App interface showing two-way communication and remote unlocking.
5.2 Remote Unlocking
From the Tuya Smart APP interface during a call or live view, you can remotely unlock the connected electric door lock by tapping the unlock icon.
5.3 RFID Card Unlocking
For quick and convenient access, present a pre-programmed 125KHz RFID key fob to the card zone on the outdoor unit. The door will unlock within 1 second.
Figure 18: Visual representation of RFID card and Tuya Smart APP unlocking methods.
5.4 Motion Detection
The doorbell features motion detection. When movement is detected near the door, the system will automatically send push notifications to your smartphone, allowing you to monitor activity even when no one rings the bell.
5.5 Night Vision
The doorbell automatically switches to night vision mode in low-light conditions, providing clear 1080P HD images up to 10 meters, ensuring security around the clock.
Figure 19: Comparison highlighting the clarity of 1080P HD night vision.
6. Maintenance
- Cleaning: Regularly wipe the outdoor unit with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners.
- Weather Protection: Although the outdoor unit is weatherproof (SIP55), ensure its rain cover is properly installed to protect it from extreme weather conditions.
- Software Updates: Keep the Tuya Smart APP updated to the latest version to ensure optimal performance and access to new features.
- Power Supply: Ensure the power supply is stable and within the specified voltage range (12V-15V DC).
7. Troubleshooting
- No Power: Check all power connections and ensure the power adapter is correctly plugged into a working outlet. Verify the power supply unit is functioning.
- Wi-Fi Connection Issues: Ensure your Wi-Fi network is 2.4 GHz. Check the Wi-Fi signal strength at the doorbell's location. Restart your router and the doorbell unit. Re-attempt the app pairing process.
- Poor Video Quality: Ensure the camera lens is clean. Check your internet connection speed.
- No Two-Way Audio: Check microphone and speaker settings in the Tuya Smart APP. Ensure there is no physical obstruction to the doorbell's speaker or microphone.
- RFID Card Not Working: Ensure the RFID card is 125KHz ID type and has been properly programmed to the doorbell. Present the card directly to the card zone.
- Electric Lock Not Unlocking: Verify all wiring connections to the electric lock and power supply are correct. Check the lock's security mode (NC/NO) matches your system configuration.
- Motion Detection Not Triggering: Check motion detection sensitivity settings in the Tuya Smart APP. Ensure the detection area is correctly configured.
8. Specifications
| Feature | Specification |
|---|---|
| Camera Resolution | 1080P |
| View Angle | 120° |
| Night Vision Sensitivity | 0.001Lux |
| Night Vision Distance | Approx. 10m |
| Rainproof Level | SIP55 |
| Wi-Fi Frequency | 2.4GHz (5G not supported) |
| Connection Mode | WIFI / RJ45 port |
| Unlocking Methods | Remote control / RFID cards |
| RFID Card Type | 125KHz ID cards |
| User Capacity (RFID) | 500 users |
| Time of Read Card | <1s |
| Operating Temperature | -30℃ ~ +60℃ |
| Power Supply | 12V ~15V (Supports POE) |
| Power Consumption | Standby: <2W, Operating: <5W |
| Material | Aluminum alloy cover + ABS plastic |
| Size | 180mm*85mm*45mm |
Power Supply Control (K803A)
| Feature | Specification |
|---|---|
| Input Voltage | AC110-260V |
| Input Frequency | 50-60Hz |
| Output Voltage | DC12V/3A |
| Output Power | 36W |
| Dimensions | 105*91*34mm |
| Time Delay | 0-15 seconds |
Door Exit Switch Button
| Feature | Specification |
|---|---|
| Material | ABS Plastic |
| Max Power Rating | 36V DC 3A—5A output |
| Supported Modes | NC Mode (Fail Safe) & NO Mode (Fail Secure) |
| Dimensions | 86*86mm (L/W) |
Electric Strike Lock
| Feature | Specification |
|---|---|
| Material | Stainless Steel |
| Holding Force | 500kg |
| Working Voltage | DC12V |
| Working Current | 200mA |
| Operating Humidity | 0~90% |
| Face Plate Housing | Painted Steel |
| Opening Mode | 90 Degree Swinging Door |
| Size | 150*28mm |
| Suitable Temperature | -30~+55 Celsius Degree |
| Security Mode | NC mode (Locked when power on, unlocked when power off) / NO mode (Locked when power off, unlocked when power on) |
Electric Drop Bolt Lock
| Feature | Specification |
|---|---|
| Material | Aluminum alloy |
| Working Voltage | DC12V |
| Current | Start-up: 1.2A; Working: 0.25A |
| Lock Core | 12.5MM stainless core, extending length of 15MM |
| Size | 150*34*28mm |
| Working Temperature | -30~55 Celsius Degree |
| Time Delay | 0/3/6 seconds (Factory setting: 0) |
| Security Mode | NC mode (Fail Safe: Locked when power on, unlock when power off) |
| Suitable for | Wooden, metal door, security door, etc. |
Electric Magnetic Lock (Surface/Embedded)
| Feature | Specification |
|---|---|
| Holding Force | 180KG/350lbs |
| Material | Stainless steel |
| Working Voltage | DC12V |
| Performance Testing | 1,000,000 times aging test |
| Safety Function | Built-in voltage spike suppressor |
| Security Mode | NC Mode (Fail Safe: Locked when power on, unlocked when power off) |
| Suitable For | Wooden Door, Metal Door, Fireproof Door, Glass Door, etc. |
| Dimensions (Surface) | 172*40*21 mm / 130*33*10 mm |
| Dimensions (Embedded) | 190*30*20 mm / 130*33*10 mm |
9. User Tips
- This product is part of the Smart Home Platform category, offering integrated smart home functionality.
- Consider this product as a comprehensive smart home kit for access control and video surveillance.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact OBO HANDS customer service. Keep your purchase receipt as proof of purchase for any warranty claims.
