1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Commax 4-Wire Video Door Intercom System (Model: ABE-BS05-N70). This system features an IP65 waterproof camera, a 7-inch monitor, and supports smart home integration for enhanced security and convenience in various applications.

Figure 1: Commax Video Door Intercom System components (Outdoor Door Phone and Indoor Monitor)
The system is designed for use in diverse environments, including:

Figure 2: Typical Application Scenarios
2. Setup and Installation
Before beginning installation, ensure all components are present and undamaged. The system operates on a DC 12V power supply and uses a 4-wire cable connection.
2.1 Package Contents
- Outdoor Door Phone (with IP65 waterproof camera)
- Indoor Monitor (7-inch display)
- Power Adapter (DC 12V)
- Mounting accessories
- User Manual
Note: An optional electronic lock may be purchased separately.
2.2 Wiring Diagram
Follow the diagram below for proper connection of the door phone, monitor(s), and optional electronic lock. A router is required for network connectivity and smart home features.

Figure 3: System Wiring Diagram and Mobile App Integration
- Door Phone: Connects to the power supply and the monitor via a 4-wire cable.
- Monitor: Connects to the door phone and optionally to additional monitors and a router.
- Electronic Lock (Optional): Connects to the door phone for remote unlocking functionality.
- Router: Provides internet access for smart features and mobile app control.
2.3 Mobile App Installation
To utilize smart features and remote control, install the "TuyaSmart" app on your smartphone. The app is available for both Android and Apple devices.
- Download the "TuyaSmart" app from your device's app store (Google Play Store for Android, Apple App Store for iOS).
- Register or log in to your TuyaSmart account.
- Follow the in-app instructions to add your Video Intercom System.
3. Operation
3.1 Basic Intercom Functions
- Answering a Call: When a visitor presses the call button on the outdoor door phone, the indoor monitor will ring. Press the "Answer" button on the monitor to establish a two-way video call.
- Two-way Video Call: Communicate with your visitor through the monitor's speaker and microphone.
- Unlocking the Door: If an electronic lock is connected, press the "Unlock" button on the monitor to remotely open the door.
3.2 Smart Home Integration
The system is compatible with Google Assistant, Amazon Alexa, and Tuya for integrated smart home control.

Figure 4: Smart Home Integration and Mobile App Control
- Remote Monitoring: View the camera feed from the outdoor door phone via the TuyaSmart app on your smartphone.
- Remote Unlock: Answer the door and remotely unlock it from anywhere using the TuyaSmart app.
- Voice Control: Integrate with Google Assistant or Amazon Alexa to use voice commands for certain functions (e.g., "Alexa, show me the front door camera"). Refer to the TuyaSmart app's integration settings for specific voice commands.
4. Maintenance
- Cleaning: Regularly wipe the outdoor door phone camera lens and the indoor monitor screen with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Connection Check: Periodically inspect all 4-wire cable connections to ensure they are secure and free from corrosion or damage.
- Software Updates: Check the TuyaSmart app for any available firmware updates for your intercom system to ensure optimal performance and security.
- Environmental Protection: While the outdoor unit is IP65 waterproof, avoid direct high-pressure water jets or prolonged submersion.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No video or audio on monitor |
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| Door not unlocking remotely |
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| Mobile app not connecting/controlling |
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6. Specifications
| Feature | Detail |
|---|---|
| Model Number | ABE-BS05-N70 |
| Resolution | 720P, 1080P |
| Network | Others (Wi-Fi enabled for smart features) |
| Type | Video Door Phone |
| Product Name | Video Door Phone Intercom System |
| Function | Unlock, Two-way Video Call |
| Application | Home, House, Apartment, Villa, Hotels |
| Color | Black+Silver |
| APP Compatibility | Tuya Smart Life |
| Smart Home Integration | Google Assistant, Amazon Alexa, Tuya |
| Power Supply | DC 12V |
| Material | Aluminum Alloy + ABS |
| Connection Type | 4-wire Cable |
| Origin | Mainland China |
| DIY Supplies | Electrical |
7. User Tips
- Verify Package Contents: Upon receiving your system, carefully check the package to confirm whether it includes one or two screens, as configurations may vary.
- Test Before Final Installation: It is recommended to connect and test the system components (door phone, monitor, power) in a temporary setup before mounting them permanently to ensure all functions are working correctly.
- Strong Wi-Fi Signal: For optimal performance of smart features and mobile app control, ensure the indoor monitor is within range of a strong and stable Wi-Fi signal from your router.
8. Warranty and Support
For any technical assistance, warranty claims, or further inquiries, please contact your seller or the manufacturer directly. Keep your purchase receipt and model number (ABE-BS05-N70) handy when contacting support.
Contact Information:
- Email: ohuanghe@126.com
- WhatsApp: +8615348300302