SJCAM C400

SJCAM C400 4K Pocket Vlog Action Camera User Manual

Model: C400

1. Introducció

Thank you for choosing the SJCAM C400 4K Pocket Vlog Action Camera. This manual provides essential information for setting up, operating, and maintaining your camera. Please read it carefully before use to ensure optimal performance and longevity of your device.

SJCAM C400 camera held by a woman, with a tripod-mounted camera in the foreground

The SJCAM C400 is a versatile 4K pocket vlog action camera designed for capturing high-quality video and photos in various scenarios.

2. Informació de seguretat

  • Do not expose the camera to extreme temperatures or direct sunlight for extended periods.
  • Mantingueu la càmera allunyada de camps magnètics forts.
  • Eviteu deixar caure la càmera ni sotmetre-la a impactes forts.
  • No intenteu desmuntar ni modificar la càmera.
  • Ensure all ports are dry before charging or connecting to other devices.
  • Utilitzeu només accessoris i carregadors homologats.

3. Contingut del paquet

Verifiqueu que tots els elements següents estiguin inclosos al vostre paquet:

  • SJCAM C400 Camera Unit
  • Mànec de la bateria
  • Muntatge de marc
  • Estoig impermeable
  • Cable USB
  • Corretja de mà
  • Suport
  • Clip posterior
  • Flat Bottom Bracket
  • Base del casc
  • Trípode
  • Corretja magnètica
All included accessories for the SJCAM C400, neatly laid out

Image showing the SJCAM C400 camera and its various included accessories.

4. Càmera acabadaview

Familiarize yourself with the main components of your SJCAM C400 camera:

  • Front Touch Screen: 1.3-inch display for intuitive control and preview.
  • Pantalla principal: 2.23-inch display for detailed viewing i configuració.
  • Lent: High-quality f/2.0 large aperture lens with 154° ultra-wide-angle FOV.
  • Botó d'alimentació / mode: Used to power on/off and switch between modes.
  • Botó de l'obturador/enregistrament: To start/stop recording or take photos.
  • Port USB tipus C: Per a càrrega i transferència de dades.
  • Ranura per a targeta MicroSD: Per a la inserció de targetes de memòria.
SJCAM C400 camera showing its front and main screens

The SJCAM C400 features dual screens for versatile operation and monitoring.

5. Configuració

5.1. Carregant la bateria

Connect the camera to a power source using the provided USB Type-C cable. The charging indicator will show the charging status. A full charge provides approximately 460 minutes (7 hours 40 minutes) of continuous 4K30fps recording when using both the camera and battery handle.

SJCAM C400 camera with battery handle, showing battery indicator

The camera and battery handle provide extended operation time.

5.2. Inserció d'una targeta MicroSD

Locate the MicroSD card slot on the camera. Insert a compatible MicroSD card (up to 128GB, Class 10 or higher recommended) with the contacts facing down until it clicks into place.

5.3. Encès / apagat

Press and hold the Power/Mode button for a few seconds to power the camera on or off.

5.4. Configuració inicial

Upon first use, you may need to set the language, date, and time. Navigate through the menu using the touch screen to configure these settings.

6. Funcionament de la càmera

6.1. Basic Controls and Touchscreen

The SJCAM C400 features a responsive touch screen for easy navigation. Swipe and tap to access menus, change settings, and switch between shooting modes. The front 1.3-inch screen allows for intuitive composition adjustments, especially for vlogging.

SJCAM C400 camera displaying a video on its large screen

The large screen offers intuitive control and a clear view del teu menjartage.

6.2. Rotating Screen Functionality

The camera's screen can be rotated to switch between horizontal (16:9) and vertical (9:16) recording orientations, ideal for different platforms like YouTube and TikTok.

SJCAM C400 camera showing its screen rotating from horizontal to vertical orientation

Easily switch between horizontal and vertical video formats by rotating the screen.

6.3. Video Recording and Photo Capture

The C400 supports 4K/30fps, 2.5K, and 1080P video resolutions. Press the Shutter/Record button to start or stop recording. For photos, switch to photo mode and press the Shutter/Record button.

Comparison of 2K and 4K video quality from the SJCAM C400

Experience sharp, clear, and vivid images with 4K resolution.

6.4. Estabilització d'imatge

The camera features 6-axis Electronic Image Stabilization (EIS) and Horizon Steady functions to ensure smooth and stable footage, even during dynamic activities.

Demonstration of 6-axis gyro stabilization and horizon steady features on the SJCAM C400

6-axis gyro stabilization and Horizon Steady keep your footage smooth and level.

6.5. Control sense fil

The detachable handheld controller connects via Bluetooth, allowing you to operate the camera remotely from up to 8 meters away. The controller screen provides a real-time preview.

Child playing with a toy truck while an adult uses the SJCAM C400 with its wireless controller from 8 meters away

Control your camera wirelessly from a distance of up to 8 meters.

6.6. Modes de tir

The C400 offers various shooting modes for creative capture:

  • Gravació normal: Standard video capture.
  • Interval Recording (Time-lapse): Condense long events into short videos.
  • càmera lenta: Capture detailed movements (e.g., 720P/120fps).
  • Detecció de moviment: Automatically records when motion is detected.
  • Enregistrament en bucle: Continuously records, overwriting older footage.
  • Tirs en ràfega: Captura diverses fotos en una successió ràpida.
  • Disparo amb temporitzador: Estableix un retard abans de fer una foto.
SJCAM C400 demonstrating time-lapse video recording of city traffic

Time-lapse mode captures the essence of changing scenes.

6.7. Ús impermeable

When placed in its professional waterproof case, the C400 is waterproof up to 30 meters (98 feet), making it suitable for snorkeling, surfing, and cycling in the rain.

Woman swimming underwater with the SJCAM C400 in its waterproof case

The waterproof case allows for underwater recording up to 30 meters.

6.8. Hands-free POV

The compact design and magnetic strap allow for easy, hands-free Point-of-View (POV) recording, perfect for vlogging and capturing daily activities.

Woman wearing the SJCAM C400 around her neck for hands-free POV recording

Capture hands-free POV footage with the magnetic strap accessory.

6.9. Webcam Mode & Live Streaming

Connecteu la càmera a l'ordinador mitjançant USB per utilitzar-la com a webcam. The C400 also supports direct live streaming to compatible platforms without additional equipment.

SJCAM C400 being used as a webcam and for live streaming

Utilize the camera for webcam functionality or direct live streaming.

7. Manteniment

7.1. Neteja de la càmera

Use a soft, lint-free cloth to clean the camera body and lens. For stubborn smudges on the lens, use a specialized lens cleaning solution and cloth. Do not use harsh chemicals or abrasive materials.

7.2. Cura de la bateria

To prolong battery life, avoid fully discharging the battery frequently. Store the camera with a partially charged battery (around 50%) if not used for extended periods. Do not expose the battery to extreme heat.

7.3. Emmagatzematge

Store the camera in a cool, dry place, away from dust and moisture. When storing for long periods, remove the MicroSD card and ensure the battery is partially charged.

8. Solució De Problemes

ProblemaCausa possibleSolució
La càmera no s'encén.Bateria baixa; bateria defectuosa; mal funcionament de la càmera.Charge the battery fully. Try a different charging cable/adapter. If issue persists, contact support.
No es poden gravar vídeos/fer fotos.No MicroSD card; MicroSD card full; MicroSD card error; incorrect mode.Inseriu una targeta MicroSD. Suprimiu files or replace card. Format the card. Switch to correct mode.
Mala qualitat d'imatge/vídeo.Dirty lens; low light conditions; incorrect settings.Clean the lens. Ensure adequate lighting. Adjust resolution, exposure, or other settings.
El control sense fil no funciona.Bluetooth/Wi-Fi off; out of range; pairing issue.Ensure Bluetooth/Wi-Fi is enabled on both devices. Move closer to the camera. Re-pair the devices.

9. Especificacions

CaracterísticaDetall
MarcaSJCAM
Número de modelC400
Tecnologia del sensor fotogràficCMOS (1/2.8 polzades)
Resolució de captura de vídeo4K (30fps), 2.5K, 1080P
Obertura de lentsf/2.0
Camp de View (FOV)Gran angular de 154°
Zoom òptic8X
Estabilització d'imatge6-axis Gyro (EIS)
Front Screen Size1.3 inches (Touchscreen)
Mida de la pantalla principal2.23 polzades
ConnectivitatBluetooth, Wi-Fi (5G), USB Type-C
Mitjans d'emmagatzematgeTargeta MicroSD (fins a 128 GB)
Profunditat impermeable30 meters (with waterproof case)
Durada de la bateriaApprox. 460 minutes (4K30fps with handle + small battery)
Dimensions del producte3.8 x 3.8 x 14 cm
Pes del producte760 g

10. Garantia i assistència

The SJCAM C400 comes with a 1 any de garantia gratuïta from the date of purchase. For any technical issues or inquiries, please contact our Assistència en línia les 24 hores. Refer to the official SJCAM weblloc web o la documentació de compra per obtenir dades de contacte específiques.

11. Accessoris opcionals

Enhance your SJCAM C400 experience with a range of optional accessories:

  • Adaptador d’extensió
  • Llum auxiliar
  • Penjoll magnètic
  • Additional Tripods and Mounts
Various optional accessories for the SJCAM C400, including an extension adapter, auxiliary light, magnetic pendant, and tripod

A selection of optional accessories to expand your camera's capabilities.

© 2026 SJCAM. Tots els drets reservats.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.