1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Eonon A0125 Backup Camera. Designed for enhanced vehicle safety, this high-definition rearview camera offers a wide viewing angle and robust waterproof capabilities, ensuring clear visibility in various conditions. It is specifically engineered for compatibility with Eonon Android Car Stereos.

Figure 1: Eonon A0125 Backup Camera
2. Product Features
- High-Definition 720P Resolution: Provides sharp and true-to-life images with a resolution of 1280x720 pixels, enhancing visibility for safer reversing, especially at night.
- 140° Wide Viewing Angle: Features an adjustable vertical 140° viewing angle, allowing for a broad perspective behind the vehicle and effectively reducing blind spots.
- IP68 Waterproof & Dustproof: Constructed with an international standard IP68 rating, ensuring reliable performance in various weather conditions, including rain and dust.
- Broad Compatibility: Specifically designed to be compatible with all Eonon Android Car Stereos, including models such as GMA12S, UA12S-PLUS, E46A12S, VWA12S, E90A12S, and Q80SE.
- Easy Installation: Designed for straightforward installation, requiring connection of the camera’s power and ground wires to the reversing light and the video output to the car stereo’s reverse trigger wire.

Figure 2: Key Features of the A0125 Camera

Figure 3: High-Quality Image Output

Figure 4: 140° Wide Viewing Angle

Figure 5: IP68 Waterproof Capability
3. Package Contents
Please verify that all items listed below are included in your package:

Figure 6: Included Accessories
- Camera (x1)
- AV Power Cable (6m) (x1)
- Screws (x2)
- Adhesive Pad (x1)
- User Manual (x1)
4. Installation Guide
Follow these steps for proper installation of your Eonon A0125 Backup Camera. It is recommended to consult a professional if you are unsure about any steps.

Figure 7: Wiring Method Diagram
4.1. General Wiring for Universal Car Stereos
- Connect the red +12V wire of the camera to the positive wire of the car’s reverse light.
- Connect the black GND wire to the negative wire of the car’s reverse light.
- Connect the RCA output of the camera to the rear camera input of the car stereo.
- Connect the red reverse trigger wire of the camera to the reverse control cable of the car stereo.
- Installation is complete.
4.2. Wiring for Car-Specific Car Stereos (with CAN Bus)
- Connect the red +12V wire of the camera to the positive wire of the car’s reverse light.
- Connect the black GND wire to the negative wire of the car’s reverse light.
- Connect the RCA output of the camera to the rear camera input of the car stereo.
- Installation is complete. Note: You do not need to connect the reverse trigger wire if the car stereo comes with a CAN Bus.
For optimal performance, ensure all connections are secure and properly insulated.
5. Operation
Once installed, the Eonon A0125 Backup Camera operates automatically when the vehicle is shifted into reverse gear. The camera feed will display on your compatible Eonon Android Car Stereo screen.
- Automatic Activation: The camera system is designed to activate automatically when the vehicle’s transmission is put into reverse.
- Display: The video feed from the camera will be shown on your connected Eonon Android Car Stereo display.
- Parking Guidelines: Depending on your car stereo model, dynamic or static parking guidelines may be overlaid on the camera feed to assist with parking maneuvers.
6. Maintenance
To ensure the longevity and optimal performance of your Eonon A0125 Backup Camera, follow these simple maintenance guidelines:
- Regular Cleaning: Periodically clean the camera lens with a soft, damp cloth to remove dirt, dust, or water spots that may obstruct the view. Avoid abrasive cleaners.
- Inspect Connections: Occasionally check all wiring connections to ensure they remain secure and free from corrosion.
- Avoid High-Pressure Washing: While the camera is waterproof, avoid directing high-pressure water jets directly at the camera, as this could potentially damage seals over time.
- Environmental Protection: Despite its IP68 rating, extreme temperatures or prolonged exposure to harsh chemicals should be avoided.
7. Troubleshooting
If you encounter issues with your Eonon A0125 Backup Camera, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen when reversing. |
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| Image is blurry or unclear. |
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| Image flickers or is distorted. |
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If the problem persists after attempting these solutions, please contact Eonon customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | A0125 |
| Brand | EONON |
| Video Capture Resolution | 720p (1280x720 pixels) |
| Viewing Angle | 140° (Adjustable Vertical) |
| Waterproof/Dustproof Rating | IP68 |
| Optical Sensor Technology | CMOS |
| Lux Rating | 0.1 Lux |
| Voltage | 12 Volts |
| Product Dimensions (L x W x H) | 0.91" x 0.91" x 0.91" |
| Item Weight | 5.6 ounces |
| Installation Type | Surface Mount |
| Compatible Devices | Eonon Android Car Stereos (GMA12S, UA12S-PLUS, E46A12S, VWA12S, E90A12S, Q80SE, etc.) |
9. Warranty & Support
Eonon products are designed for reliability and performance. For specific warranty details and technical support, please refer to the warranty card included with your product or visit the official Eonon website. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may contact Eonon customer service through their official channels.





