1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Rettru C9 Wireless WiFi Battery Camera. Please read this manual thoroughly before using the device to ensure proper functionality and safety. The Rettru C9 is a compact, portable security camera designed for indoor and outdoor surveillance, featuring HD 1080P video, night vision, motion detection, and remote viewing capabilities via the V380Pro app.
2. Product Overview
The Rettru C9 camera is designed for versatility and ease of use. Its small size allows for discreet placement, while its features provide comprehensive monitoring.
2.1 Package Contents
Verify that all items listed below are included in your package:

Figure 1: Package Contents. Includes the camera unit, power cable, user guide, card reader, and rotating bracket.
- Rettru C9 Camera Unit
- USB Power Cable
- User Guide
- Card Reader
- Rotating Bracket
2.2 Camera Features
- Compact Design: Measuring approximately 1.5 x 1.3 x 0.5 inches, the C9 is designed for minimal visibility.
- HD 1080P Video: Captures clear video footage.
- Night Vision: Equipped with 2 pcs of 940nm infrared LEDs for night vision up to 26 feet.
- Motion Detection: Intelligent motion detection with adjustable sensitivity and alarm notifications.
- Dual Power Mode: Built-in rechargeable lithium-ion battery (approx. 1.5 hours continuous recording) or continuous power via USB.
- Remote Viewing: Access live video remotely via the V380Pro app on iOS/Android devices.
- Flexible Installation: Includes a 360-degree rotating stand for wall-mounted or surface-mounted placement.
3. Setup Guide
Follow these steps to set up your Rettru C9 camera and connect it to your mobile device.
3.1 Charging the Camera
Before initial use, fully charge the camera. Connect the camera to a USB power source (e.g., wall charger, power bank, computer USB port) using the provided USB cable. The charging indicator light will show the charging status.

Figure 2: Dual Power Supply. The camera can operate on its built-in battery or be continuously powered via a USB connection.
3.2 App Installation
- Download the V380Pro app from your device's app store (iOS App Store or Android Google Play Store).
- Install the app on your smartphone or tablet.
3.3 Connecting the Camera to Wi-Fi
The camera supports 2.4GHz Wi-Fi networks only. Ensure your router is configured for 2.4GHz or has a mixed mode enabled.

Figure 3: Easy Installation Steps. Download the app, connect the device, and then connect to your Wi-Fi network.
- Open the V380Pro app and create an account or log in.
- Power on the C9 camera. Wait for the camera to initialize (usually indicated by a specific LED pattern or voice prompt).
- In the app, tap the '+' icon to add a new device.
- Select the option for 'WiFi Smart Camera' or similar.
- Follow the on-screen instructions to connect the camera to your home Wi-Fi network. This typically involves selecting your Wi-Fi network (SSID) and entering the password.
- Once connected, you can name your camera and begin remote viewing.
4. Operating Instructions
4.1 Remote Viewing
After successful setup, you can view live video from your camera anywhere in the world using the V380Pro app.
- Open the V380Pro app.
- Select your camera from the device list to access the live feed.
- Multiple users can view the camera feed simultaneously, and the app supports multiple terminals.

Figure 4: Phone App Real-Time Remote View. One camera can be accessed by multiple users and devices.
4.2 Motion Detection and Alerts
The C9 camera features intelligent motion detection to alert you to activity.
- In the V380Pro app settings for your camera, locate the motion detection options.
- Adjust the sensor sensitivity manually to suit your environment and reduce false alarms.
- When motion is detected, the camera will send an alarm notification with images to your phone.
- You can log into the app to view the event in real-time.

Figure 5: Motion Detection. The camera records only valid video upon detecting motion and sends alerts.
4.3 Night Vision
The camera automatically switches to night vision mode in low-light conditions.
- The C9 camera is equipped with 940nm infrared LEDs.
- Night vision provides clear black and white footage up to 26 feet (8 meters).

Figure 6: Enhanced Night Vision. Provides clear visibility in low-light conditions up to 26 feet.
4.4 Installation and Placement
The camera's small size and included rotating stand offer flexible placement options.

Figure 7: Flexible Placement. The 360-degree rotating stand allows for versatile mounting on surfaces or walls.
- Use the rotating bracket for wall-mounted or surface-mounted installations.
- Its compact size allows it to be placed discreetly on shelves, desks, or hidden within objects.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Rettru C9 camera.
- Cleaning: Use a soft, dry cloth to clean the camera lens and body. Avoid using liquid cleaners or abrasive materials.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Recharge the camera regularly, especially if it will be stored for an extended period.
- Firmware Updates: Check the V380Pro app periodically for any available firmware updates for your camera. Keeping the firmware updated can improve performance and add new features.
- Storage: When not in use, store the camera in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your Rettru C9 camera, refer to the following common solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Camera fails to connect to Wi-Fi or app. | Incorrect Wi-Fi password; 5GHz Wi-Fi network; camera too far from router; temporary network issue. | Ensure correct 2.4GHz Wi-Fi password. Move camera closer to router. Restart router and camera. Re-attempt connection process in the V380Pro app. |
| Short battery life. | Continuous recording; frequent motion detection; aging battery. | Ensure camera is fully charged. Use continuous power via USB for extended operation. Adjust motion detection sensitivity to reduce unnecessary recordings. |
| Poor video quality or disconnections. | Weak Wi-Fi signal; network congestion; camera too far from router. | Improve Wi-Fi signal strength (e.g., use a Wi-Fi extender). Reduce network congestion. Move camera closer to the router. |
| Motion detection alerts are too frequent or not working. | Sensitivity set too high/low; incorrect detection zone. | Adjust motion detection sensitivity in the app. Configure specific detection zones if available. Ensure notifications are enabled on your phone. |
| Cannot access camera (e.g., 'wrong password' error). | Incorrect app login credentials; camera password reset. | Verify your V380Pro app login details. If the camera has its own password, ensure it's correct. If issues persist, try resetting the camera to factory defaults (refer to app for specific instructions) and re-pairing. |
7. Specifications
Detailed technical specifications for the Rettru C9 Wireless WiFi Battery Camera.
| Feature | Detail |
|---|---|
| Model Number | USA-Heima-PRO New-JIAN-00003 |
| Effective Video Resolution | 1080P |
| Frame Rate | 30 frames per second |
| Viewing Angle | 160 Degrees |
| Connectivity Technology | Wireless (Wi-Fi) |
| Wi-Fi Frequency | 2.4GHz Only |
| Power Source | Battery Powered (Built-in Lithium-ion) / USB Plug-in |
| Battery Life (Continuous Recording) | Approximately 1.5 hours |
| Night Vision Range | Up to 26 feet (8 meters) |
| Special Features | HD Resolution, Local Recording, Motion Sensor, Night Vision, Portable |
| Indoor/Outdoor Usage | Indoor, Outdoor (IP65 Waterproof Rating) |
| Compatible Devices | iOS/Android Phone/Window/Mac PC |
| Controller Type | V380 Pro App |
| Item Dimensions | 1.5 x 1.3 x 0.5 inches |
| Color | Black |
8. Warranty and Support
8.1 Warranty Information
For specific warranty details, please refer to the product packaging or contact Rettru customer support directly. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
8.2 Customer Support
If you require further assistance or have questions not covered in this manual, please contact Rettru customer support. You can usually find contact information on the product packaging, the official Rettru website, or within the V380Pro application.