1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Rettru M8 Smart Doorbell Camera. Designed for convenience and security, this wireless video doorbell offers features such as night vision, two-way audio, and local/cloud storage to keep your home or classroom safe and connected.

Image: The Rettru M8 Smart Doorbell Camera, a white rectangular device with a black camera lens and a doorbell button, mounted on a light-colored wall next to a wooden door.
2. What's in the Box
Please verify that all components listed below are included in your package:
- 1 x Rettru M8 Wireless Doorbell Camera
- 1 x Doorbell Chime (Plug-in)
- 1 x Screw Driver
- 1 x User Manual
- 1 x Power Cord (for charging doorbell)
- 1 x 3M Sticker (for mounting)
- 2 x Screws and Wall Plugs (for mounting)

Image: A clear layout of all items included in the Rettru M8 Doorbell Camera package: the video doorbell unit, the plug-in chime, a screwdriver, two screws with two wall plugs, and a power cord.
3. Product Features
The Rettru M8 Doorbell Camera is equipped with several advanced features to enhance your security and convenience:
- 100% Wire-Free Design: Easy installation without complex wiring, powered by an internal battery.
- HD Video & Night Vision: Capture clear video footage day and night with integrated night vision capabilities.
- Two-Way Audio: Communicate directly with visitors at your door using the built-in microphone and speaker.
- Motion Detection: Receive instant alerts on your smartphone when motion is detected near your doorbell.
- Local & Cloud Storage: Supports 64GB local storage (included) and optional cloud storage for video history.
- Wireless Chime: Includes an indoor plug-in chime with 38 classical ringtones and 4 volume levels.
- Wide Viewing Angle: A 150-degree viewing angle ensures comprehensive coverage of your doorstep.
Visual Clarity Day and Night

Image: A split image showing the doorbell camera's view in two conditions: on the left, a clear color image in bright daylight, and on the right, a clear black and white image in low light or darkness, demonstrating its night vision capability.
Flexible Storage Options

Image: The Rettru M8 Doorbell Camera with an overlay highlighting "64GB local storage for video history" and "No Monthly Fees," indicating its built-in storage capacity.
4. Setup and Installation
The Rettru M8 Doorbell Camera is designed for easy, wire-free installation. Follow these steps to set up your device:
- Charge the Doorbell: Before installation, ensure the doorbell camera is fully charged using the provided power cord.
- Choose Installation Location: Select a suitable location near your door or wall that provides a clear view and good Wi-Fi signal.
- Mounting Options:
- For Smooth Surfaces (Glass/Door): Use the included 3M adhesive sticker. Clean the surface thoroughly before applying.
- For Brick or Wooden Walls: Use the included screws and wall plugs. Drill pilot holes if necessary, insert wall plugs, and then secure the doorbell bracket with screws.
- Attach Doorbell to Bracket: Once the bracket is securely mounted, slide the doorbell camera onto the bracket until it clicks into place.
- Plug in the Chime: Insert the doorbell chime into a standard power outlet inside your home.
- Download App & Connect: Download the V380 Pro app on your smartphone. Follow the in-app instructions to connect your doorbell camera to your home Wi-Fi network.

Image: A visual guide demonstrating two installation methods for the Rettru M8 Doorbell Camera: using 3M stickers for glass or doors, and using screws and wall plugs for brick or wooden walls, showing the detachable backplate.
5. Operating Instructions
Once installed, operate your Rettru M8 Doorbell Camera using the V380 Pro app and the physical chime.
5.1. Using the V380 Pro App
- Live View: Open the app to view a live feed from your doorbell camera at any time.
- Two-Way Communication: When a visitor presses the doorbell or motion is detected, you will receive a notification. Tap the notification to answer and engage in two-way audio communication.
- Video Recording & Playback: The doorbell automatically records events triggered by motion or doorbell presses. Access recorded videos from the app's history or cloud storage.
- Motion Detection Settings: Adjust sensitivity and notification preferences for motion detection within the app settings.

Image: A person holding a smartphone displaying a live video call from the Rettru M8 Doorbell Camera, communicating with a delivery driver at the door, illustrating the two-way audio feature.
5.2. Doorbell Chime Operation
- When the doorbell button is pressed, the indoor chime will sound, alerting you to a visitor.
- The chime offers 38 different ringtones. Refer to the chime's specific instructions (if separate) or the V380 Pro app for changing ringtones and adjusting volume levels.

Image: The Rettru plug-in doorbell chime, a white rectangular device, plugged into a wall outlet, surrounded by musical notes, indicating its function and ease of use.
6. Maintenance
To ensure optimal performance and longevity of your Rettru M8 Doorbell Camera, follow these maintenance guidelines:
- Cleaning: Gently wipe the camera lens and doorbell surface with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Battery Life: The doorbell is battery-powered. Monitor the battery level via the V380 Pro app and recharge as needed using the provided power cord. Battery life varies based on usage and environmental factors.
- Firmware Updates: Periodically check the V380 Pro app for available firmware updates. Keeping your device updated ensures the latest features and security enhancements.
- Environmental Conditions: While designed for outdoor use, extreme weather conditions (e.g., heavy rain, direct prolonged sunlight, extreme temperatures) may affect performance. Ensure the doorbell is installed in a reasonably protected location.
7. Troubleshooting
If you encounter issues with your Rettru M8 Doorbell Camera, try the following troubleshooting steps:
| Problem | Possible Solution |
|---|---|
| Doorbell not connecting to Wi-Fi. |
|
| No motion detection alerts. |
|
| Two-way audio not working. |
|
| Chime not sounding. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Rettru M8 |
| Brand | Rettru |
| Mounting Type | Wall Mount |
| Video Capture Resolution | 720p |
| Wireless Communication | Wi-Fi (2.4GHz) |
| Viewing Angle | 150 Degrees |
| Frame Rate | 30 fps |
| Special Features | Motion Sensor, Night Vision |
| Power Source | Battery Powered (Lithium Ion) |
| Local Storage | 64GB (included) |
| Compatible Devices | Smartphone, Tablet (Android controller type mentioned) |
| Package Dimensions | 14.8 x 9.8 x 3.6 cm; 120 g |
9. Warranty and Customer Support
Rettru provides friendly customer service for the M8 Smart Doorbell Camera. For any questions, technical assistance, or warranty claims, please refer to the contact information provided in your product packaging or visit the official Rettru support website.
Please retain your proof of purchase for warranty purposes.




