Function:1. HD shooting: The ultrawideangle 170degree lens allows you to take photos with a wider field of view. Kamera can record MP4 video up to 4K resolution. Comes with bike rack and holder for bike, motorcycle, helmet, as car video recorder, outdoor area and mountain photography.2. Builtin Gsensor: When the motorcycle collides, the Gsensor will automatically block the current video when the vehicle is in an accident to distinguish responsibility and will not be covered by loop recording.3. Deep waterproof: equipped with waterproof charging cable, convenient for underwater camera operation, and the camera (without additional waterproof case) can be submerged up to 10 meters.4. WiFi function: support control and sharing apps. Users can operate or view za using a smartphone or tablet (WiFi model).5. Long battery life: Builtin 1000MAH lithium battery, kamera with rechargeable battery, supports longer recording time, can be used for 2 hours in 2K video mode.Specification:Item Type: Waterproof kamera Action HDMaterial: ABS, PC, Zinc AlloyGross weight: 626 g / 22,1 ozMaster: for Novatek 96670Photosensitive chip: GC4653Wide Lens Angle: 170 DegreeMultiple video recording formats: 4K(3840x2160P), 2K(2560x1440P), 1080P(1920x1080), 720P (1280x720)Video recording format: MP4 H.265 formatLight Source Frequency: AutoUSB Interface: High Speed USB2.0Battery: Lithium battery, 1000MAH capacity (supplied with builtin battery)Recording time Ok. 2 hours in 2K modeCharging time: about three hoursHow to use:1. Insert the Micro memory card Open the back cover and insert the Micro memory card according to the instructions.List of packages:1 x kamera1 adapter2 x Waterproof Line1 x Waterproof Rubber Ring1 x Exposed Handle Base1 x Strap2 x Double Sided Tape1 x Bike Rack2 x Screw1 x Rubber Ring1 x Key1 x Fixture1 x Paste Base1 x Nut Base1 x Ring Host Holder1 x Manual1 x Storage Bag