Introduction
This manual provides detailed instructions for the operation and maintenance of your NUISK SPSJ-4k Dual Screen Sports Camera. Designed for capturing dynamic moments, this compact camera features 4K video recording, electronic image stabilization, and versatile mounting options. Please read this manual thoroughly to ensure proper use and to maximize your camera's performance.
What's in the Box
The NUISK SPSJ-4k package includes the following items:
- NUISK SPSJ-4k Dual Screen Sports Camera
- Waterproof Case
- Magnetic Pendant
- Various Mounting Accessories (e.g., clip, quick release base, neck bracket, small hole adapter, bandage)
- USB-C Charging Cable
- 128GB Micro SDXC Memory Card
- Instruction Manual
- Cleaning Cloth

This image displays the complete set of items included with your NUISK SPSJ-4k camera, such as the camera unit, waterproof housing, magnetic necklace mount, various clips and adapters for different surfaces, a USB charging cable, and the user manual.
Product Overview
The NUISK SPSJ-4k is a compact and versatile action camera designed for various activities. It features dual screens for easy framing and control, along with robust video capabilities.
Key Features:
- Magnetic Hands-Free Mounting: Securely attaches to clothing or accessories for POV recording.
- Pocket-Size Design: Lightweight and portable for easy transport.
- Smooth 4K Footage with EIS Stabilization: Reduces shake for clear and professional-looking videos.
- Waterproof Capability: Submersible up to 98ft (30m) with the included waterproof case.
- Versatile Accessories: Includes mounts for hats, chest, bikes, and more.
- Dual Screens: Front and rear screens for flexible viewing and control.
- Wi-Fi Connectivity: Connects to a smartphone app for remote control and file transfer.

This diagram highlights the key physical features of the camera, including the power button, photo button, HD touch screen, HD front screen, built-in speaker, and the memory card slot/USB port.
Setup
- Initial Charging: Connect the camera to a power source using the provided USB-C charging cable. The camera will indicate charging status on its screen.
- Insert Micro SD Card: Locate the memory card slot (often near the USB port, as shown in Figure 2). Insert the 128GB Micro SDXC card (included) into the slot until it clicks. Ensure the card is inserted correctly to avoid damage.
- Power On: Press and hold the Power button (refer to Figure 2) to turn on the camera.
- Language, Date, and Time Settings: Upon first use, the camera may prompt you to set the language, date, and time. Use the touchscreen or navigation buttons to select your preferences. It is recommended to set the correct date and time for accurate video timestamps.
- Format SD Card: For optimal performance and to ensure compatibility, it is recommended to format the SD card directly on the camera. Navigate to the settings menu and select the "Format SD Card" option. Confirm your selection. Note: Formatting will erase all data on the card.
- Connect to Mobile App (Optional):
- Download the official NUISK app from your smartphone's app store.
- On the camera, navigate to the Wi-Fi settings and enable Wi-Fi. The camera screen may display a QR code or network name (SSID) and password.
- On your smartphone, connect to the camera's Wi-Fi network.
- Open the NUISK app. You should now be able to control the camera remotely and view/download media.
- Attach Mounting Accessories: Depending on your activity, select the appropriate mounting accessory.
- For underwater use, place the camera inside the waterproof case and secure it.
- For hands-free POV recording, attach the magnetic pendant or chest strap.
- Utilize other clips and adapters for helmets, bicycles, or other surfaces as needed.

The magnetic pendant allows for secure, hands-free attachment of the camera to your clothing, ensuring stable capture during various activities.

The included waterproof case protects the camera, allowing it to be submerged up to 98 feet (30 meters) for capturing aquatic adventures.
Operating Instructions
1. Basic Operation
- Power On/Off: Press and hold the Power button (top right button) to turn the camera on or off.
- Screen Navigation: The camera features an HD touchscreen for intuitive navigation. Swipe up, down, left, or right to access different menus and settings.
- Switching Screens: Long-press the 'Down' button (bottom right button) to switch between the rear HD touchscreen and the front HD screen.
- Start/Stop Recording: Press the Photo button (top left button) to start or stop video recording, or to capture a photo.
2. Recording Modes
The camera offers various recording modes to suit different needs:
- Normal Video: Standard video recording.
- Slow Motion: Captures video at a higher frame rate for slow-motion playback.
- Loop Record: Continuously records video, overwriting the oldest footage when the memory card is full.
- Video Time-lapse (V-Timelapse): Records a sequence of video frames at set intervals to create a time-lapse video.
- Single Photo: Captures a single still image.
- Burst Photo: Takes multiple photos in quick succession.
- Self-Timer Photo: Delays photo capture by a set amount of time.
- Photo Time-lapse (P-Timelapse): Captures a series of still images at set intervals.
3. Video and Image Settings
Access the settings menu via the touchscreen to adjust:
- Video Resolution: Select from options like 4K/60fps, 4K/30fps, 2.7K/60fps, 2.7K/30fps, 1080P/60fps, 1080P/30fps, 720P/120fps, 720P/60fps, etc.
- Video Quality: Adjust the compression level for video files.
- Image Stabilization (EIS): Enable or disable Electronic Image Stabilization for smoother footage.
- White Balance: Adjust color temperature for accurate color reproduction in different lighting conditions.
- Filter: Apply various visual filters to your footage.
- Image Rotation: Adjust image orientation.
- Backlight Level: Control screen brightness.
- Frequency: Set the power line frequency (50Hz/60Hz) to avoid flickering in recorded video.

The dedicated smartphone app allows for remote control of the camera, live preview of footage, and convenient downloading of videos and photos directly to your phone.
Maintenance
- Cleaning: Use the provided cleaning cloth or a soft, lint-free cloth to gently wipe the camera lens and screens. Avoid abrasive materials or harsh chemicals.
- Waterproof Case Care: After using the waterproof case in water, rinse it with fresh water and allow it to air dry. Inspect the seals for any debris or damage before each use to ensure water tightness.
- Battery Care: Charge the camera regularly, even when not in use, to maintain battery health. Avoid extreme temperatures.
- Storage: Store the camera and accessories in a cool, dry place away from direct sunlight and dust.
Troubleshooting
- Camera Not Turning On: Ensure the battery is charged. Connect the camera to a power source and try again.
- SD Card Error: Reformat the SD card via the camera's settings menu. If the issue persists, try a different compatible Micro SDXC card.
- Shaky Footage: Ensure Electronic Image Stabilization (EIS) is enabled in the settings. For best results, hold the camera as steady as possible or use appropriate mounts.
- Poor Low-Light Performance: Action cameras generally perform best in well-lit conditions. Ensure adequate lighting for optimal video quality.
- Touchscreen Unresponsive: Gently clean the screen. If unresponsive, try restarting the camera.
- Wi-Fi Connection Issues: Ensure the camera's Wi-Fi is enabled and your smartphone is connected to the correct network. Restart both the camera and the app if necessary.
Specifications
| Feature | Detail |
|---|---|
| Brand | NUISK |
| Model Number | SPSJ-4k |
| Item Weight | 13.7 ounces |
| Product Dimensions | 1.26 x 1.46 x 2.7 inches |
| Batteries | 1 Nonstandard Battery (included) |
| Color | Black |
| Special Features | Anti-Shake (EIS), Internal Memory |
| Photo Sensor Technology | Other |
| Video Capture Resolution | 4K |
| Maximum Focal Length | 30 Millimeters |
| Maximum Aperture | 2.8 f |
| Flash Memory Type | Micro SDXC |
| Video Capture Format | MP4 |
| Supported Audio Format | MP4 |
| Screen Size | 1.3 Inches |

This image illustrates the compact size of the camera, with a length of 2.7 inches (68.5mm), width of 1.46 inches (37.1mm), and depth of 1.26 inches (32mm), weighing only 2.33 ounces.
Warranty and Support
Specific warranty details are not provided in the product information. For warranty claims, technical support, or further assistance, please refer to the contact information provided with your purchase or visit the official NUISK website.





