1. Introduction
Thank you for choosing the Kaysunlink 4K 128GB Body Camera (Model H82). This compact and versatile device is designed for various recording needs, including outdoor sports, driving records, meetings, and personal security. Featuring 4K video resolution, 128GB built-in storage, 1.4-inch screen, 180° rotatable lens, night vision, and a 6-hour battery life, it is engineered for reliable performance.
2. Package Contents
Verify that all items are present in your package:
- Camera Body (with memory) x1
- Charge Cable x1
- User Manual x1
- Clip x1
- Bracket x1
Image: The Kaysunlink H82 Body Camera shown with its included accessories: lanyard, clip, 1/4" mount, 1/4" mount for bike, and the camera unit itself.
3. Setup
3.1 Charging the Device
Before first use, fully charge the body camera using the provided USB charging cable. Connect the cable to the camera's USB port and to a compatible USB power source. The charging indicator light will show the charging status.
3.2 Inserting/Removing the Micro SD Card
The camera comes with built-in memory. If you need to access the memory card directly, locate the micro SD card slot on the side of the device. Gently insert or remove the card as needed. Ensure the device is powered off before handling the memory card to prevent data loss.
3.3 Attaching Accessories
The Kaysunlink H82 offers multiple mounting options:
- Clip: Attach the clip to the back of the camera. This allows you to securely fasten the camera to your clothing, backpack, or other suitable surfaces.
- Bracket: The included bracket can be used for various applications, such as mounting on a bicycle handlebar or a tripod.
- Lanyard: Use the lanyard for static video recording by hanging the camera from a stable object, such as a tree branch.
Video: This video demonstrates how to attach the clip for body-worn use, and how to attach the 1/4" mount for bicycle handlebars or a tripod for static video recording. It also shows how to use the lanyard for static video recording by hanging the camera from a tree branch.
4. Operating Instructions
4.1 Power On/Off
To power on the device, long-press the power button. The screen will display "Welcome" and then show the live camera feed. To power off, long-press the power button again until the device shuts down.
4.2 Recording Modes
The camera supports four main recording modes:
- Video Recording: Press the video button to start/stop video recording. The camera supports 4K resolution.
- Audio Recording: Press the audio button to start/stop audio-only recording. This mode conserves battery life.
- Photo Snapping: Press the photo button to capture still images.
- Motion Detection Recording: Activate this feature in the settings to automatically record when motion is detected, saving memory and battery.
- Loop Recording: Enable loop recording in settings to continuously record, overwriting the oldest files when storage is full.

Image: The Kaysunlink H82 Body Camera's screen displays options for one-key video start, one-key recording, and one-key photography, highlighting its multifunctional application.
4.3 180° Rotation Lens & Night Vision
The camera lens can rotate 180 degrees horizontally and 90 degrees vertically, allowing for flexible capture angles. The device also features night vision with infrared fill light and automatic IR-CUT for clear recording in low-light conditions.

Image: The Kaysunlink H82 Body Camera is shown in a dark setting, illustrating its IR Cut Night Vision and Motion Detection capabilities. It also highlights a One Key Start Alarm feature with a 146 dB sound.
4.4 Personal Alarm Function
In threatening situations, activate the built-in personal alarm and flashing strobe-light. This emits a piercing 140dB sound to deter potential threats and alert others.
5. Media Playback
There are three ways to view your recorded video, image, and audio files:
- On-Device Screen: Use the 1.4-inch built-in screen to play back files directly on the camera. Navigate through files using the control buttons.
- PC/Phone via Card Reader: Remove the memory card from the body camera and insert it into a card reader. Connect the card reader to your PC or phone to access the files.
- PC via USB Cable: Connect the camera directly to your PC using the provided USB cable. The camera will appear as a removable disk, allowing you to transfer files.

Image: The Kaysunlink H82 Body Camera illustrates three methods for media playback: directly on its 1.4-inch screen, by connecting the camera to a laptop via USB, or by using a card reader to connect the memory card to a phone/PC.
Video: This video demonstrates how to connect the camera to a phone or computer to access recorded files. It shows both direct connection and using a card reader.
6. Maintenance
- Keep the camera clean and free from dust and moisture.
- Avoid dropping the device or subjecting it to strong impacts.
- Store in a cool, dry place when not in use.
- Regularly back up important recordings to prevent data loss.
7. Troubleshooting
| Problem | Solution |
|---|---|
| Camera does not power on. | Ensure the battery is charged. Connect to a power source and try again. |
| Cannot access files on PC/Phone. | Ensure the USB cable or card reader is properly connected. Check if the memory card is inserted correctly. Try a different USB port or card reader. |
| Video quality is poor. | Check recording resolution settings. Ensure the lens is clean. Record in well-lit environments or ensure night vision is active if in low light. |
| Battery life is shorter than expected. | Ensure the device is fully charged. Reduce screen brightness or disable unnecessary features like continuous recording if not needed. |
8. Specifications
- Brand: Kaysunlink
- Model Name: H82 (【Upgraded】1.4” Screen Body Camera)
- Video Capture Resolution: 4K
- Screen Size: 1.4 Inches
- Flash Memory Type: Micro SD (128GB built-in)
- Battery Life: Approximately 6 hours recording time
- Lens Rotation: 180° horizontal, 90° vertical
- Night Vision: Yes, with Infrared fill light and automatic IR-CUT
- Connectivity: USB
- Item Weight: 8.8 ounces
- Package Dimensions: 6.03 x 4.33 x 1.93 inches
9. Warranty & Support
For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official Kaysunlink store on Amazon. You may also consider purchasing extended protection plans for additional coverage.
- 2-Year Protection Plan: Available for purchase.
- 3-Year Protection Plan: Available for purchase.
For further assistance, please contact Kaysunlink customer service.