1. Introduction
The SJCAM SJ4000 is a versatile 4K action camera designed for capturing high-quality photos and videos in various environments. It features 4K video recording, 40MP photo resolution, 3-Axis Electronic Image Stabilization (EIS), a 170° wide-angle lens, and Wi-Fi connectivity. This manual provides essential information for setting up, operating, and maintaining your camera.
2. Package Contents
Verify that all items are present in your package:
- SJCAM SJ4000 4K Action Camera
- Waterproof Case
- 2 x 900mAh Rechargeable Batteries
- Battery Charger
- 32GB Micro SD Card (included with some packages)
- Various Mounts and Accessories (e.g., helmet mount, handlebar mount, adhesive pads)
- USB Cable
- User Manual

Image: Contents of the SJCAM SJ4000 package, including the camera, waterproof case, batteries, charger, and various mounts.
3. Camera Overview and Features
The SJCAM SJ4000 is equipped with advanced features to enhance your recording experience:
- 4K Video Recording: Capture stunning videos at 4K 30FPS, 2K 30FPS, 1080P 30FPS, 720P 30FPS, WVGA 30FPS, or VGA 30FPS.
- 40MP Photos: High-resolution still images for detailed captures.
- 3-Axis EIS Stabilization: Electronic Image Stabilization ensures smooth and steady footage, especially during action shots.
- 170° Wide-Angle Lens: A 6G fisheye lens provides an expansive field of view to capture more of your surroundings.
- 5X Digital Zoom: Magnify your subject (note: FOV needs to be turned off when using Zoom).
- Wi-Fi Connectivity: Connect to the SJCAM Zone app for live preview, remote control, and easy sharing.
- Waterproof Design: With the included waterproof case, the camera is submersible up to 30 meters (98 feet).

Image: Demonstrates the 170° ultra wide-angle view, capturing a vast landscape with a hiker.

Image: Comparison showing the effect of EIS Gyro Stabilization, with a blurry image on the left (OFF) and a clear image on the right (ON) of a person on a jet ski.

Image: The SJCAM SJ4000 in its waterproof housing, used by a diver underwater, illustrating its 30m (98ft) waterproof capability.
4. Setup
4.1. Battery Installation
- Open the battery compartment cover on the bottom of the camera.
- Insert a fully charged 900mAh battery, ensuring correct polarity.
- Close the battery compartment cover securely.
4.2. Memory Card Insertion
The camera supports Micro SD cards up to 128GB.
- 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.
- Important: Format the memory card in the camera's settings before first use to ensure optimal performance.
4.3. Using the Waterproof Case
For underwater activities or protection against dust and impact:
- Ensure the camera is clean and dry before placing it inside the waterproof case.
- Close the case securely, making sure the rubber seal is free of debris and properly seated.
- Test the waterproof case without the camera in water before actual use to confirm it is sealed correctly.
5. Operating Instructions
5.1. Power On/Off
- To power on: Press and hold the Power/Mode button (usually on the front) for a few seconds.
- To power off: Press and hold the Power/Mode button again until the camera shuts down.
5.2. Mode Switching
Press the Power/Mode button briefly to cycle through different modes (e.g., Video, Photo, Playback, Settings).
5.3. Video Recording
- Switch to Video mode.
- Press the Shutter/OK button (usually on top) to start recording.
- Press the Shutter/OK button again to stop recording.
5.4. Photo Capture
- Switch to Photo mode.
- Press the Shutter/OK button to take a photo.
5.5. Wi-Fi Connectivity
Connect your camera to the SJCAM Zone app on your smartphone:
- Download the "SJCAM Zone" app from your device's app store.
- On the camera, enable Wi-Fi (refer to camera settings).
- On your smartphone, connect to the camera's Wi-Fi network (SSID and password usually displayed on the camera screen).
- Open the SJCAM Zone app to control the camera, view live footage, and transfer files.

Image: The SJCAM SJ4000 camera wirelessly connected to a smartphone displaying a live preview, illustrating Wi-Fi connectivity.
5.6. Advanced Features
- Loop Recording: Records video continuously, overwriting the oldest files when the memory card is full.
- Time-lapse: Captures photos at set intervals to create a time-lapse video.
- Motion Detection: Starts recording when motion is detected.
- Interval Photo: Takes photos automatically at specified time intervals.
- Burst Photo: Captures multiple photos in quick succession.
- Underwater Mode: Optimizes color and settings for underwater recording.
- Dash Cam Mode: Functions as a car dashboard camera.
- Webcam: Can be used as a webcam when connected to a computer.
- Photo Color Options: Choose from various color filters (Standard, Vintage, Black/white, Warm tone, Cool tone).
6. Maintenance
- Cleaning: Use a soft, lint-free cloth to clean the camera lens and screen. For the waterproof case, rinse with fresh water after saltwater use and allow to air dry.
- Battery Care: Store batteries in a cool, dry place. Avoid extreme temperatures. Charge batteries fully before extended storage.
- Storage: When not in use, store the camera and accessories in a protective case to prevent damage.
7. Troubleshooting
- Camera not turning on: Ensure the battery is fully charged and correctly inserted. Try using a different charged battery.
- Memory card error: Format the memory card in the camera's settings. If the issue persists, try a different, compatible Micro SD card (up to 128GB).
- Wi-Fi connection issues:
- Ensure your smartphone's cellular data is turned off before connecting to the camera's Wi-Fi.
- Restart both the camera and your smartphone.
- Ensure you have the latest version of the SJCAM Zone app.
- Cannot view/download videos or pictures: Connect the camera to a computer using the USB cable to access files directly. Ensure the memory card is properly inserted and not corrupted.
- Blurry footage: Check if EIS stabilization is enabled for smoother video. Ensure the lens is clean.
8. Specifications
| Brand: | SJCAM |
| Model Number: | SJ4 |
| Video Resolution: | 4K 30FPS, 2K 30FPS, 1080P 30FPS, 720P 30FPS, WVGA 30FPS, VGA 30FPS |
| Photo Resolution: | Up to 40MP |
| Stabilization: | 3-Axis EIS Stabilization |
| Field of View (FOV): | 170° Wide Angle (6G Fisheye Lens) |
| Digital Zoom: | 5X |
| Waterproof Depth: | 30 meters (98 feet) with waterproof case |
| Connectivity: | Wi-Fi, USB |
| Storage: | Micro SD card, up to 128GB (Class 10 or higher recommended) |
| Battery: | 900mAh rechargeable (x2 included) |
| Item Weight: | 1.15 pounds |
| Package Dimensions: | 9.06 x 4.45 x 2.52 inches |
9. Warranty and Support
For warranty information, technical support, or further assistance, please visit the official SJCAM website or contact their customer service. You can also find additional resources and FAQs on the SJCAM Store on Amazon.







