1. Introduction
Thank you for choosing the SXFJF 4K Wireless WiFi HD Sports Action Camera. This camera is designed for capturing high-quality video and photos during various outdoor and underwater activities. Featuring 4K resolution, WiFi connectivity, anti-shake stabilization, and a waterproof design, it allows you to record your adventures with clarity and ease. Please read this manual carefully to ensure proper operation and maintenance of your device.
2. Product Overview and Package Contents
Familiarize yourself with the camera and its included accessories.

Image: The SXFJF Action Camera and its complete set of accessories, including various mounts, cables, and the waterproof housing.
Package Contents:
- SXFJF 4K Action Camera
- Waterproof Housing
- Mounting Accessories (various clips, straps, adhesive mounts)
- USB Charging Cable
- User Manual
- Built-in Battery
3. Setup
3.1 Charging the Battery
The camera features a built-in 400mAh rechargeable battery. Before first use, fully charge the camera.
- Connect the camera to a USB power source (e.g., computer, wall adapter) using the provided USB cable.
- The charging indicator light will illuminate.
- Charging typically takes approximately 3 hours. The indicator light will change or turn off once fully charged.
3.2 Inserting a Micro SD Card
A Micro SD (TF) card is required to store recordings. The camera supports cards up to 32GB.
- Locate the Micro SD card slot on the side of the camera.
- Insert the Micro SD card with the gold contacts facing the back of the camera until it clicks into place.
- To remove, gently push the card in again until it springs out.
3.3 Powering On/Off
- To Power On: Press and hold the Power/Mode button for a few seconds until the screen illuminates.
- To Power Off: Press and hold the Power/Mode button again for a few seconds until the screen turns off.
4. Operating Instructions
4.1 Navigating Modes
Press the Power/Mode button repeatedly to cycle through different modes: Video Recording, Photo Mode, Playback, and Settings.
4.2 Recording Video
- Switch to Video Recording mode.
- Press the Shutter/OK button to start recording. A red indicator light or on-screen icon will flash.
- Press the Shutter/OK button again to stop recording.
4.3 Taking Photos
- Switch to Photo Mode.
- Frame your shot using the 2.0-inch LCD screen.
- Press the Shutter/OK button to take a photo.
4.4 Anti-Shake Function
The camera features built-in electronic image stabilization. To ensure smoother video footage, navigate to the settings menu and enable the gyroscope function when recording videos.
4.5 Wide Angle Lens
The 170-degree wide-angle lens captures an expansive field of view, allowing you to include more of the scene in your photos and videos without losing detail.
5. Waterproof Housing Usage
The included waterproof housing allows the camera to be used for water sports and diving up to a depth of 30 meters.

Image: The SXFJF Action Camera securely enclosed within its waterproof housing, ready for underwater use.
Important Precautions:
- Before each use, inspect the waterproof housing for any damage or debris on the rubber seal.
- Ensure the camera is properly seated and the housing is securely latched before submerging.
- After use in saltwater, rinse the housing with fresh water and allow it to air dry.
6. Connectivity
6.1 WiFi Connection
Connect your camera to a smartphone or tablet via WiFi for remote control, live streaming, and sharing content.

Image: The action camera connected wirelessly to a smartphone, displaying a live feed of a kayaking activity.
- Turn on the camera and enable WiFi from the settings menu.
- On your smartphone/tablet, download and install the recommended companion app (refer to the camera's display or packaging for app name).
- Go to your device's WiFi settings and connect to the camera's WiFi network (SSID and password will be displayed on the camera screen).
- Open the companion app to control the camera, view live footage, and transfer files.
6.2 HDMI Output
The camera supports HDMI output, allowing you to connect it to a TV or monitor to view your recordings on a larger screen. Use a compatible HDMI cable (not included) to connect the camera's HDMI port to your display device.
7. Battery Information
- Battery Type: Built-in 400mAh Seiko protection board battery.
- Working Time: Approximately 90 minutes on a full charge (may vary based on settings and usage).
- Charging Time: Approximately 3 hours.
To maximize battery life, avoid extreme temperatures and fully charge the camera before extended use.
8. Maintenance
- Cleaning the Lens: Use a soft, lint-free cloth specifically designed for camera lenses. Avoid harsh chemicals.
- Cleaning the Screen: Wipe the LCD screen gently with a microfiber cloth.
- Storage: Store the camera in a cool, dry place away from direct sunlight and extreme temperatures. Remove the Micro SD card if storing for extended periods.
- Waterproof Housing: Regularly check the rubber seal for wear and tear. Keep it clean from sand, dirt, or hair to ensure a watertight seal.
9. Troubleshooting
- Camera not turning on: Ensure the battery is fully charged. Try connecting to a power source.
- Cannot record/take photos: Check if a Micro SD card is inserted and has sufficient free space. Format the card if necessary (this will erase all data).
- Poor video/photo quality: Ensure the lens is clean. Check resolution settings. Ensure adequate lighting.
- WiFi connection issues: Ensure WiFi is enabled on the camera and your smart device. Restart both devices. Verify the correct app is installed.
- Camera freezes: Press and hold the Power/Mode button for 10 seconds to force a restart.
10. Specifications
| Feature | Specification |
|---|---|
| Brand | SXFJF |
| Video Capture Resolution | 4K |
| Screen Size | 2.0 Inches |
| Lens Type | 170-degree Wide Angle |
| Flash Memory Type | Micro SD (up to 32GB) |
| Connectivity Technology | HDMI, Wi-Fi |
| Special Features | Anti-Shake, Waterproof (with housing) |
| Waterproof Depth | 30 meters (with housing) |
| Battery Capacity | Built-in 400mAh |
| Operating Temperature | -10°C ~ 70°C |
11. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact your retailer. Keep your purchase receipt as proof of purchase.