SJCAM C400 Action Camera: Your Ultimate 4K Vlogging and Adventure Companion

The SJCAM C400 action camera represents a significant evolution in portable recording technology, offering professional-grade features in an ultra-compact design. Whether you’re a content creator, adventure enthusiast, or someone looking to capture life’s memorable moments, this comprehensive guide will help you understand everything about the SJCAM C400 and why it might be the perfect action camera for your needs.

C400 action camera

What Is an SJCAM C400 Action Camera?

The SJCAM C400 is a next-generation handheld action camera designed to deliver high-quality 4K Ultra HD video recording, maximum shooting flexibility, and exceptional ease of use. Officially launched on July 28, 2025, the C400 targets content creators, vloggers, and outdoor enthusiasts who require dependable performance on the go. Inspired by the changing needs of creators and leveraging SJCAM’s industry expertise, the C400 incorporates modular design, an advanced rotatable screen, and long battery life, offering a comprehensive alternative to mainstream action cameras at an affordable price point.

Unlike traditional action cameras, the SJCAM C400 stands out for its innovative detachable form factor. The camera module can be separated from its handheld battery grip/controller, making it suitable for both mounted point-of-view (POV) action shots and handheld vlogging. This versatile design enables seamless transitions between different shooting scenarios, whether you’re capturing extreme sports, documenting travel, or producing YouTube content on the fly.

What are the features of the SJCAM C400?

The SJCAM C400 is packed with features tailored to modern creators and travelers:

  • 4K Ultra HD Video Recording: Capture rich detail at 4K 30 fps, bringing vivid colors and sharpness to every frame.
  • Detachable Modular Design: Detach the compact camera for lightweight mounting, or use the wireless handheld controller for extended filming and easier framing.
  • Rotatable 2.29-inch Touch Screen: Rotate the screen to power on or quickly switch from vertical to horizontal shooting. The intuitive interface ensures smooth operation and clear previews.
  • Wireless Handheld Controller: Bluetooth connectivity lets you monitor and control the camera remotely—ideal for solo shooters and vloggers.
  • Six-Axis Gyro Stabilization: Advanced electronic stabilization ensures steady, shake-free footage, perfect for action sports and on-the-go filming.
  • 8x Digital Zoom: Zoom in for flexible framing, crucial for capturing both wide landscapes and close-up action.
  • Long Battery Life: The combination of a built-in 1,250 mAh battery and a 3,000 mAh battery in the handle delivers up to 437 minutes (over 7 hours) of operation at 4K/30fps.
  • Live Streaming: Stream directly to YouTube for real-time content sharing.
  • Waterproof: With the included case, the camera is waterproof down to 30 meters, making it ready for diving and aquatic activities.
  • Memory and Connectivity: Supports microSD cards up to 512GB and features a USB Type-C port for fast data transfer and charging.
  • Wi-Fi Compatibility: Dual-band Wi-Fi (2.4 GHz/5 GHz) enables seamless wireless data transfer and remote control.

What are the differences between the C400 and the C300?

Although the SJCAM C400 and C300 both offer 4K video, six-axis stabilization, and pocket-friendly designs, several upgrades set the C400 apart:

ModelC400C300
Screen1.3″ touch screen
2.29″ rotatable touch screen
Dual 1.3-inch touch screens (front and back)
Highest video resolution4K / 30fps4K / 30fps
StabilizationSteadyMotion V1.06-axis gyroscopic stabilization + ElS
Horizon Stability Enhancement/
Wireless Handle Control/
Runtime172 min (4K 30 fps)
without battery grip
437 min (4K 30 fps)
with battery grip
120 min (4K 30 fps)
without battery grip
460 min (4K 30 fps)
with battery grip
Built-in MicrophoneAnalog microphoneAnalog microphone
External Microphone//

Overall, the SJCAM C400 delivers a larger, rotatable screen and a wireless handheld remote, while the C300 emphasizes double touch screens and slightly longer standalone battery options. The stabilization in the C400 is also updated for smoother footage, and the attachable handle design makes it better suited for vlogging and single-person content production.

What Scenarios Can the C400 Be Used In?

Thanks to its feature set and modular design, the SJCAM C400 excels in a variety of filming scenarios:

  • Vlogging: The rotatable screen, wireless controller, and long battery life make it perfect for daily vlogs and multi-angle storytelling.
  • Adventure and Travel: Mount the lightweight camera on helmets, handlebars, or backpacks for immersive first-person views while cycling, hiking, or traveling.
  • Water Sports: With its 30m waterproof case, capture stunning underwater scenes and aquatic activities such as snorkeling and diving.
  • Action Sports: Six-axis stabilization and vibrant 4K ensure that fast movements—like skateboarding, surfing, or skiing—are recorded smoothly.
  • Live Streaming and Social Media: Instantly broadcast to YouTube and create engaging short-form videos for social platforms.
  • Home and Pet Monitoring: As a portable camera, the C400 can also serve for quick, ad hoc home or pet monitoring with remote viewing capability.

Where Can I Buy the SJCAM C400?

The SJCAM C400 is currently available for purchase directly from SJCAM’s official online store. Buying from the official site ensures the latest version, a full warranty, and official support. For peace of mind, SJCAM’s official shop offers global shipping options and support in case of product issues.

To buy the SJCAM C400, visit the official product page:

In Summary

The SJCAM C400 action camera is a forward-thinking, feature-rich device built for content creators and adventurers seeking performance and flexibility at a reasonable price. With advanced stabilization, a wireless controller, long battery life, and modular capabilities, it stands out even among its innovative SJCAM siblings. For most users seeking a versatile and reliable 4K action camera, the C400 delivers an exceptional value proposition.