Waterproof underwater camera: features professional-grade video resolution of 4k at 30 fps, 2.7k at 30 fps, 1080p at 60 fps/30 fps, and 720p at 120 fps.with 16mp images and a super wide-angle 170° lens, the sj4000 action camera lets you capture the exciting moments of your life in more detail.

30m waterproof camera: equipped with a durable ip68 waterproof case, which can protect your gopro as an underwater camera in diving up to 30 meters deep.  with the waterproof camera, you can record the beautiful underwater scenery as you like.  perfect for water sports like swimming, surfing, diving, snorkeling, jet skiing, rafting, etc.

Convenient dual-screen action camera: sj4000 action camera adopts an innovative dual-color screen design, which can be freely switched between the front and rear screens.  the vibrant front screen caters to your selfie needs, and the rear boasts a 2-inch hd screen that lets you view stunning videos and photos on the go anytime, anywhere.

Helmet action camera with wireless wi-fi: follow the instructions to install the “sj~cam zone” app on your mobile phone or tablet, and connect to the action camera via wi-fi, you can capture the world in a whole new way, edit videos faster, and upload them to your social media, such as tiktok, youtube, twitter and instagram, to keep up with the world.note: wi-fi range up to 10m.

Multiple usage modes: sj~cam 4k action camera has loop shooting, driving mode, continuous shooting, time-lapse video, timer photo, exposure adjustment, white balance adjustment, image flip, etc. 2-inch lcd screen, larger font and clearer image.

Screen size: 2 inches

Image stabilization: digital

Special features: anti-vibration, lightweight, viewfinder, night vision

Focal length: 35 millimeters - 4 millimeters

Aperture: f/2

Connection technology: usb

Memory card slot: sd card

Model：sj~cam sj4000 dual screen

Power supply: ac/dc

Details of standard package:

1x sj4000 dual action camera

1x waterproof case

1 x 900 mah battery

1x usb data cable

2x switch supported

1x fixed base

1x adapter

1x mounting base

2x helmet database

2x sjcam sticker

1x manual