1. Introduction
Thank you for choosing the FOSA SQ28 High Definition Sports DV Camera. This compact and versatile camera is designed for capturing high-quality video and photos in various environments, including outdoor sports, drone applications, and underwater activities. Please read this manual carefully to understand the camera's features and ensure proper operation.
2. Safety Precautions
- Do not attempt to disassemble or modify the camera. This may void the warranty and cause damage.
- Keep the camera away from extreme temperatures, direct sunlight, and strong magnetic fields.
- Ensure the waterproof case is properly sealed before using the camera underwater.
- Use only the specified charging voltage (5V) to prevent damage to the battery.
- Keep out of reach of children.
3. Package Contents
Please check the package to ensure all items are present:
- 1 x SQ28 Camera
- 1 x Base (Mounting Bracket)
- 1 x Data Cable (Micro USB)
- 1 x User Manual
- 2 x Paster (Adhesive Pads)
- 1 x Waterproof Case
- 1 x Bracket (Additional mounting accessory)

Image: The SQ28 camera shown with its waterproof case, mounting base, data cable, and adhesive pads, illustrating the complete package contents.
4. Product Overview
The SQ28 camera features a compact design, high-definition recording capabilities, and a robust waterproof case for versatile use. It includes a built-in strong magnet for easy attachment to metallic surfaces.

Image: Front view of the FOSA SQ28 camera enclosed in its transparent waterproof case, attached to a black mounting bracket.

Image: A close-up view of the SQ28 camera's lens, highlighting its compact square design without the waterproof casing.
5. Setup
5.1 Charging the Camera
Before first use, fully charge the camera. Connect the provided Micro USB data cable to the camera's charging port and the other end to a 5V USB power adapter (not included) or a computer's USB port. The charging indicator light will show the charging status.
5.2 Inserting a Memory Card
The camera supports a memory card up to 128GB. Insert a formatted memory card (Class 10 or higher recommended) into the card slot with the contacts facing the correct direction. Ensure the camera is powered off before inserting or removing the card.
5.3 Mounting the Camera
The SQ28 features a built-in strong magnet for direct attachment to metallic surfaces. For other surfaces or specific angles, use the provided base and bracket. The bracket allows for 360-degree rotation for flexible placement.

Image: The SQ28 camera in its waterproof case, mounted on a rotating support bracket, demonstrating its 360-degree placement capability.
5.4 Waterproof Case Usage
When using the camera underwater or in wet conditions, ensure the camera is securely placed inside the waterproof case and the case is properly sealed. The camera is waterproof up to 30 meters (98.4 feet) with the case.

Image: The SQ28 camera in its waterproof housing, depicted with water splashes, illustrating its 30-meter waterproof capability.
6. Operating Instructions
6.1 Powering On/Off
- Power On: Press and hold the Power button for a few seconds until the indicator light turns on.
- Power Off: Press and hold the Power button for a few seconds until the indicator light turns off.
6.2 Recording Video
In video mode, press the Record button once to start recording. The indicator light will flash to indicate recording is in progress. Press the Record button again to stop recording and save the file.
6.3 Taking Photos
In photo mode, press the Shutter button once to take a photo. The indicator light will flash briefly.
6.4 Motion Detection Mode
When motion detection is enabled, the camera will automatically begin recording when it detects movement. Videos are typically saved in 5-minute segments. Refer to the specific button sequence in the included quick start guide for activation.
6.5 Night Vision Mode
The SQ28 camera is equipped with a photosensitive sensor that automatically activates infrared night vision in low-light conditions. This ensures clear recording even in the dark.

Image: The SQ28 camera demonstrating its automatic infrared night vision capability, with a red beam indicating the infrared light emission in a dimly lit room.
6.6 Connecting to a Computer
Connect the camera to your computer using the provided USB data cable. The camera will appear as a removable disk, allowing you to access and transfer recorded videos and photos.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body. For the lens, use a specialized lens cleaning cloth. Do not use harsh chemicals.
- Storage: Store the camera in a cool, dry place away from direct sunlight and dust when not in use.
- Battery Care: If the camera will not be used for an extended period, charge it periodically to maintain battery health.
8. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Camera does not power on | Low battery; Faulty battery | Charge the camera; Contact support if issue persists |
| Cannot record video/take photos | No memory card; Memory card full; Memory card error | Insert memory card; Delete files or replace card; Format memory card |
| Poor video/photo quality | Dirty lens; Insufficient lighting; Incorrect settings | Clean the lens; Ensure adequate lighting; Check camera settings |
| Computer does not recognize camera | Faulty USB cable; Driver issue; Camera not in correct mode | Try a different USB cable/port; Restart computer; Ensure camera is powered on and connected correctly |
9. Specifications
| Feature | Detail |
|---|---|
| Video Format | AVI |
| Video Decoding | M-JPEG |
| Video Resolution | 1920 x 1080P |
| Video Frame Rate | 30 fps |
| Aspect Ratio | 16:9 |
| Image Format | JPG |
| Photo Resolution | 4032 x 3024 |
| Battery Type | Built-in high capacity lithium battery |
| Battery Capacity | 300 mAh |
| Working Time | Up to 90 minutes of continuous recording |
| Charging Voltage | 5V |
| Memory Support | Up to 128 GB memory card (not included) |
| Transfer Speed | High Speed USB 2.0 |
| Interface Type | Micro USB |
| Water Resistance | 30 meters (98.4 feet) with waterproof case |
| Support System | For Windows, OS X, Linux |
| Item Weight | Approximately 4 ounces (116g) |
| Dimensions | Approximately 4.72 x 4.72 x 1.97 inches (Package) |
10. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your proof of purchase for any warranty claims.