SJCAM SJ4000 Dual Screen Action Camera - 4K
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JoybuySjcam Sj4000 Dual Screen Action Camera 4K Video 2.0 Inch Lcd With 1.3 Inch Selfie Display 170° Wide Angle F2.2 Aperture Eis Stabilization 30M Waterproof With Case 80 Mins Recording Compact 5.9×4.2×3Cm 16Mp Photo For Outdoor Sports Cycling Motorcycle
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£45.19
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Sjcam Sj4000 Dual Screen Action Camera 4K Video 2.0 Inch Lcd With 1.3 Inch Selfie Display 170° Wide Angle F2.2 Aperture Eis Stabilization 30M Waterproof With Case 80 Mins Recording Compact 5.9×4.2×3Cm 16Mp Photo For Outdoor Sports Cycling MotorcycleFree delivery in 1–3 days£45.19Visit shop →
Joybuy UKSjcam Sj4000 Dual Screen Action Camera 4K Video 2.0 Inch Lcd With 1.3 Inch Selfie Display 170° Wide Angle F2.2 Aperture Eis Stabilization 30M Waterproof With Case 80 Mins Recording Compact 5.9×4.2×3Cm 16Mp Photo For Outdoor Sports Cycling Motorcycle 69724
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£45.19
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Product Information
Full details
The SJCAM SJ4000 Dual Screen Action Camera is a versatile recording device designed for adventure enthusiasts, cyclists, and underwater photographers who need reliable 4K video capture in a compact form factor. It features a unique dual-display system, including a front-facing selfie screen for framing shots, and offers impressive stability for fast-paced activities. While it provides excellent value for its price, users should note that the battery life is limited to 900mAh, requiring careful power management during extended recording sessions.
All features
| Brand | SJCAM |
|---|
Extended Product Information
FAQs
Is the camera truly waterproof without the case?
No, the camera requires the included protective waterproof case to be submerged in water.
Can I use this camera for live streaming?
The camera supports Wi-Fi connectivity for file management, but please check the user manual for specific live streaming support via the SJCAM app.
What is the maximum recording resolution?
The camera supports a maximum video resolution of 3840 x 2160 pixels (4K).
Does it include a mount for my helmet?
Yes, a basic mount and helmet mount are included in the package.
How long does the battery last?
The 900mAh battery provides reliable power for adventures, though exact duration depends on the resolution and screen usage.
Does it support external microphones?
The device features a built-in microphone for standard audio capture.
Troubleshooting
Camera does not recognize the MicroSD card
Ensure the card is formatted correctly and is a compatible MicroSD card (TransFlash) up to 128GB.
Video footage appears choppy
Verify the MicroSD card has a high enough write speed to handle 4K resolution; low-speed cards can cause dropped frames.
Wi-Fi connection fails
Ensure the camera's Wi-Fi mode is active and that your smartphone is within the 2.4 GHz frequency range of the device.
Pros and Cons
Pros
- Dual screens make selfie and vlogging framing simple
- Extremely lightweight and compact (63g)
- Includes a durable underwater housing
- Supports high-capacity MicroSD cards up to 128GB
- Wide 170-degree field of view captures immersive perspectives
Cons
- Battery capacity is relatively small at 900mAh
- Charging time takes up to 3 hours
- No built-in GPS functionality
Setup, Compatibility & Care
To begin, insert a compatible MicroSD card (up to 128GB) into the slot. Charge the camera using the provided USB Type-C cable; a full charge takes approximately 3 hours. When using the camera in water, ensure the rubber seal on the protective case is clean, free of sand or debris, and properly latched before submersion. For post-activity maintenance, rinse the protective housing with fresh water after salt-water use to prevent corrosion. The camera is compatible with Windows and Mac environments for simple drag-and-drop file transfers via USB connection.