Feature 1 4K Ultra Clear Video Recording: 4K ultra clear video restores exciting moments, with photosensitive night vision function, clear at night and day, and richer recording details. Shoot at a wide angle of 120 degree, with a panoramic view. 2 18MP Photo Pixels: Dynamic photography is equally outstanding, paired with large wide angle photography, each photo is a blockbuster effect, and capturing scenery is even more outstanding. Continuous photography, taking multiple photos at once can result in multiple camera actions. 3 Support for Mobile Wireless WIFI Interconnection: Download an application app, connect a camera to the mobile app through mobile WiFi, and preview, replay, and download images and video content in real time without the need for traffic. 4 Long Lasting Battery Life: Equipped with a large capacity battery, the camera can record for about 3 hours when fully charged, and supports recording while charging. The charging port is a Type C charging port. 5 Enhanced Anti Shake: With built in electronic anti shake function, bike motorcycle helmet camera recording automatically recognizes shake and reduces shake issues. 6 Full Body Waterproof Charging Cable: Equipped with a waterproof charging cable, it supports use in rainy days, swimming pools, water parks, seaside and other scenarios. 7 H. 265 Compression Technology: The video volume of H.265 under the same pixel is 50 percent that of traditional encoding, which can save about half of the storage space. 8 Charging While Recording Loop Recording: Support charging while recording, and turning on loop recording can achieve automatic coverage to meet your cycling needs. 9 Support Installation: Support multiple vehicle models and head theft installation. Free installation accessories, no matter what type of helmet you are, all support installation!Item Type: Bike Motorcycle Helmet CameraMaterial: Aluminum AlloyWeight: Approx. 540g / 19.0ozLens: 18MPShooting Angle: 120 DegreeRecording Video: 3840 x 2160Video Format: MP4Photo Resolution: 5376 x 3024Photo Format: JPGStorage Card: Micro Memory Card, Maximum Support 256G (Shipped without Battery)Battery Type: Lithium Battery, 1600mAh (Shipped with Built in Battery) Package List1 x Sports DV1 x USB Cable1 x Fixed Bracket1 x Helmet Bracket1 x Bicycle Bracket1 x User Manual1 x Reset Pin1 x Waterproof Charging Cable1 x Eight Shaped Clip