1. Product Overview
The SJCAM C300 is a versatile 4K 30FPS action camera designed to capture high-quality videos and 20MP photos of your adventures. It features an innovative dual touch screen design, allowing for flexible framing and control. Equipped with a powerful dual battery system (2800mAh + 1000mAh), it offers extended recording times. The camera is also waterproof up to 30 meters (98 feet) with its included waterproof case, making it ideal for underwater sports. Advanced EIS 2.0 (6-axis) image stabilization ensures smooth footage even during dynamic activities. With 2.4G/5G WiFi connectivity, you can easily share your content and use it as a webcam.

2. Getting Started
2.1 What's in the Box
Before you begin, please ensure all components are present:
- 1 x SJCAM C300 Camera
- 1 x 2800mAh Battery
- 1 x 1000mAh Battery
- 1 x Waterproof Case
- 1 x Frame Mount
- 1 x Base Mount
- 1 x Type-C Cable
- 1 x Back Clip
- 1 x Lanyard
- 1 x 3M Sticker
- 1 x Helmet Base
- 1 x Cleaning Cloth
- 1 x 32GB SD Card

2.2 Charging the Battery
The C300 comes with two batteries for extended use. To charge, connect the camera via the Type-C cable to a USB power source (e.g., computer, wall adapter). The charging indicator will show the charging status. Ensure both batteries are fully charged before first use for optimal performance.

2.3 Inserting a MicroSD Card
The camera supports Micro SD cards. A 32GB card is included. Locate the MicroSD card slot on the side of the camera. Insert the card with the gold contacts facing the front of the camera until it clicks into place. Ensure the card is formatted in the camera settings before first use.
2.4 Attaching Accessories
The SJCAM C300 is compatible with various mounts and accessories. The included waterproof case allows for underwater use up to 30 meters. The magnetic back clip enables versatile mounting options for different creative angles.

3. Operating the Camera
3.1 Powering On/Off
- To power on: Press and hold the Power/Mode button until the screen illuminates.
- To power off: Press and hold the Power/Mode button until the screen turns off.
3.2 Navigating the Dual Touch Screen
The C300 features both front and rear touch screens. You can switch between them to frame your shots, especially useful for selfies with the front screen. The 1.3-inch rear touch screen provides intuitive control over camera settings and modes.

3.3 Recording Videos (4K 30FPS)
In video mode, press the Shutter button to start recording. Press it again to stop. The camera supports 4K 30FPS video resolution, capturing clear and detailed footage. The zoom function is available for both video recording and photo taking.
3.4 Taking Photos (20MP)
In photo mode, press the Shutter button to take a picture. The camera captures 20MP high-resolution photos.
3.5 EIS 2.0 (6-axis) Image Stabilization
The C300 is equipped with 6-axis EIS (Electronic Image Stabilization) for gimbal-like stability. This feature significantly enhances the smoothness and fluidity of outdoor shots, even when you or your subject are moving rapidly.

3.6 Waterproof Usage (30M)
When using the camera for underwater activities, ensure it is securely placed within the included waterproof case. This case allows the C300 to be submerged up to 30 meters (98 feet), perfect for recording marine life or water sports.

3.7 Wi-Fi Connectivity and App
The C300 supports 2.4G/5G WiFi, enabling quick transfer and sharing of your content. Download the SJCAM Zone APP to your smartphone or tablet to easily view, edit, and transfer your adventure videos and photos.

3.8 Webcam and Live Streaming Functionality
Connect the C300 to your computer via the Type-C cable to use it as a webcam. With the SJCAM Zone APP, you can also configure and debug live streaming, providing a second camera perspective for your phone or PC.
4. Care and Maintenance
4.1 Cleaning the Camera
- Use the included cleaning cloth to gently wipe the lens and screens.
- For stubborn smudges, use a lens cleaning solution specifically designed for optical surfaces.
- Do not use abrasive materials or harsh chemicals.
4.2 Battery Care
- Store batteries in a cool, dry place when not in use.
- Avoid fully discharging the batteries before recharging them.
- If storing for extended periods, charge batteries to about 50% capacity.
4.3 Storage
When not in use, store the camera in a protective case to prevent scratches and damage. Keep it away from extreme temperatures, humidity, and direct sunlight.
5. Troubleshooting Common Issues
Problem | Possible Cause | Solution |
---|---|---|
Camera does not power on. | Low or depleted battery. | Charge the battery fully. Ensure it is properly inserted. |
Poor video/photo quality. | Dirty lens; incorrect settings; insufficient lighting. | Clean the lens. Check resolution and EIS settings. Ensure adequate lighting. |
Wi-Fi connection issues. | Incorrect Wi-Fi settings; interference; app issues. | Ensure Wi-Fi is enabled on camera and device. Reconnect Wi-Fi. Restart camera and app. Update app. |
Camera freezes or becomes unresponsive. | Software glitch; full memory card. | Remove battery and reinsert. Format or replace MicroSD card. Update firmware if available. |
Audio recording issues. | Waterproof case affecting audio; microphone obstruction. | Note that the waterproof case affects audio recording. Ensure microphone is clear when not in case. |
6. Technical Specifications
Feature | Specification |
---|---|
Model | C300W |
Video Resolution | Up to 4K 30FPS |
Photo Resolution | 20 Megapixels |
Image Stabilization | EIS 2.0 (6-axis) |
Waterproof Depth | 30 meters (with waterproof case) |
Battery Capacity | 2800mAh + 1000mAh (Dual Battery) |
Screen | Dual Touch Screen (1.33 inch) |
Connectivity | Wi-Fi (2.4G/5G), Type-C USB |
Storage | Micro SD (up to 128GB, 32GB included) |
Dimensions | 7 x 2.6 x 3.2 cm |
7. Warranty and Support
7.1 Warranty Information
The SJCAM C300 Action Camera comes with a 2-year manufacturer's warranty. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use conditions.
7.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact SJCAM customer support through their official website or the retailer where you purchased the product. Regularly check the SJCAM official website for firmware updates and additional resources.