Function: 1. HD shooting: The ultra-wide-angle 170-degree 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. Built-in G-sensor: When the motorcycle collides, the G-sensor 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: Built-in 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 HD Material: ABS, PC, Zinc Alloy Gross weight: 626 g / 22,1 oz Master: for Novatek 96670 Photosensitive chip: GC4653 Wide Lens Angle: 170 Degree Multiple video recording formats: 4K(3840x2160P), 2K(2560x1440P), 1080P(1920x1080), 720P (1280x720) Video recording format: MP4 H.265 format Light Source Frequency: Auto USB Interface: High Speed USB2.0 Battery: Lithium battery, 1000MAH capacity (supplied with built-in battery) Recording time Ok. 2 hours in 2K mode Charging time: about three hours How 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 kamera 1 adapter 2 x Waterproof Line 1 x Waterproof Rubber Ring 1 x Exposed Handle Base 1 x Strap 2 x Double Sided Tape 1 x Bike Rack 2 x Screw 1 x Rubber Ring 1 x Key 1 x Fixture 1 x Paste Base 1 x Nut Base 1 x Ring Host Holder 1 x Manual 1 x Storage Bag