1. Introduction
The Retevis RT77 Body Camera is a compact and versatile body-worn device designed for high-definition video and audio recording. It features 1296P video resolution, 21-megapixel photo capability, night vision, and a wide 170-degree camera angle. This manual provides essential information for setting up, operating, and maintaining your RT77 body camera.
2. Package Contents
Verify that all items are present in your package:
- Retevis RT77 Body Camera
- USB Charging Cable (USB-A to USB-C)
- Power Adapter
- Belt Clip (Rotatable)
- Micro SD Card Reader
- User Manual

Figure 2.1: Package contents including the RT77 body camera, charging cable, power adapter, belt clip, and card reader.
3. Device Overview
Familiarize yourself with the physical components and controls of your RT77 body camera.

Figure 3.1: The Retevis RT77 Body Camera held in hand, showcasing its compact design.
3.1 Key Features
- High-Resolution Recording: 1296P video and 21-megapixel photos for clear day and night vision.
- Wide Angle Lens: 170-degree camera angle captures broader details.
- Built-in Memory: 16GB internal memory, expandable with 32G/64G/128G memory cards (not included). Supports loop recording.
- Long Battery Life: Built-in 2650 mAh Li-ion battery provides up to 8 hours of continuous recording.
- Rotatable Clip: High-quality belt clip rotates 150 degrees for flexible attachment.
- Night Vision: Infrared function for recording in low-light conditions.
- Flashlight: Integrated flashlight for illumination.
- Waterproof Design: Enhanced durability for various environments.

Figure 3.2: Overview of the RT77 body camera's key features.
4. Setup
4.1 Charging the Battery
Before first use, fully charge the device. Connect the USB charging cable to the camera's USB-C port and the power adapter. Plug the adapter into a wall outlet. The device typically takes 3 hours to fully charge.

Figure 4.1: Connecting the USB cable to the camera for charging.
4.2 Attaching the Belt Clip
The included belt clip allows for secure and flexible attachment. Align the clip with the mounting slot on the back of the camera and slide it into place until it clicks. The clip can rotate 150 degrees to adjust the camera's angle.

Figure 4.2: The rotatable clip attached to the body camera, demonstrating its flexibility.
5. Operating Instructions
5.1 Power On/Off
To power on the camera, press and hold the Power button (usually located on the side) for 3 seconds. To power off, press and hold the Power button again until the device shuts down.
5.2 Video Recording
Once powered on, the camera typically enters standby mode. To start video recording, short press the Video Record button. The recording indicator will illuminate. Short press the button again to stop recording.
5.3 Audio Recording
To record audio only, short press the Audio Record button. The audio recording indicator will show. Short press again to stop.
5.4 Taking Photos
To capture a still image, short press the Photo button. The camera will take a picture and save it to memory.
5.5 Night Vision Mode
To activate infrared night vision, press and hold the dedicated Night Vision button (often indicated by a light bulb icon) for 3 seconds. The camera will switch to black and white recording for improved visibility in low-light conditions. Repeat to deactivate.

Figure 5.1: Example of night vision recording capability.
5.6 Siren Function
The camera features a siren for emergency situations. Press the Siren button to activate. Press again to deactivate.
6. Playback & Data Transfer
6.1 On-Device Playback
Use the navigation buttons (OK, Play, Menu) on the front of the camera to browse and play back recorded videos and photos directly on the device's display.
6.2 Transferring Files to a Computer
Connect the camera to your computer using the provided USB-C cable. The camera will appear as a removable disk. You can then copy video and photo files to your computer. Alternatively, remove the memory card (if expandable) and use the included card reader to transfer files.
7. Maintenance
7.1 General Care
- Keep the camera clean and free from dust and debris.
- Avoid exposing the camera to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the USB-C port cover is securely closed to maintain water resistance.
7.2 Battery Care
- Charge the battery regularly, even if the camera is not in use, to prolong its lifespan.
- Use only the provided charging cable and adapter.
7.3 Memory Management
The camera supports loop recording, which means when the memory is full, it will automatically overwrite the oldest files. Regularly back up important recordings to prevent data loss.

Figure 7.1: Illustration of the loop recording function, where new recordings overwrite old data when storage is full.
8. Troubleshooting
- Camera not turning on: Ensure the battery is charged. Connect to power and try again.
- Recording issues: Check if the memory is full. If using an expandable card, ensure it is properly inserted and formatted.
- Poor video quality: Ensure the lens is clean. Check recording resolution settings in the menu.
- Device not recognized by computer: Try a different USB port or cable. Ensure the camera is powered on when connected.
9. Specifications
| Brand Name | Retevis |
| Model Number | FA9186A (RT77) |
| Item Weight | 14.4 ounces |
| Product Dimensions | 1.1 x 2.28 x 2.28 inches |
| Batteries | 1 Lithium Ion batteries required (included) |
| Color | Black |
| Special Features | Night vision, Flashlight, Infrared function, Waterproof design |
| Photo Sensor Technology | CMOS or BSI CMOS |
| Video Capture Resolution | 1296p |
| Maximum Aperture | 2 f |
| Flash Memory Type | SD/SDHC/SDXC (internal 16GB, expandable) |
| Supported Audio Format | AAC, MP3, PCM |
| Screen Size | 2 Inches |
| Connectivity Technology | Wireless |
10. Warranty and Support
For any questions, technical support, or warranty inquiries, please contact Retevis customer service:
- Email: amazon@szest.com
- Tel: +86 755 26503848


