EASY TO INSTALL: You just need to place your helmet flat on the table, fix the base onto the helmet, push the bracket into the base, place the dash cam facing up on the bracket, and secure.Specification:Item Type: Bicycle Sports CameraMaterial: Aluminum alloyColor: SilverCamera Battery: 1600mAh built in Lithium Polymer BatteryRemote Control Battery: 150mAh Built in Button BatteryDSP: NTK96670Image Sensor: SC500AIVideo Resolution (Maximum): Front Camera: 2K (2560x1440/30fps) + Rear Camera: 2K (2560x1440/30fps)Loop Recording: 1min/3min/5minG Sensor: Off, Low, Medium, HighRecording Function: SupportsVideo Format: MP4, TS Stream (Switchable)Camera Angle: 170°MIC: Support MIC-2X4MM, 42+-3dBSpeaker: Support 8ohm, 0.5WExpandable Memory: MAXIMUM 256G U1 Micro Storage Card (not included)Photo: Supports (JPEG format)White Balance, Exposure, ISO: AutomaticData Connection: TypeCWIFI: SupportsAPP Name: for Anzone (Supports for IOS 9.0, for Android 6.0 and above phones)Waterproof: IP66Remote Control: Wireless Remote ControlAbnormal Reminder: SupportsPackageList:1 x Helmet Camera1 x Remote Control1 x USB Cable3 x Mounting Pad (two pairs: 22mm/25.4mm/28mm)2 x Main Body Mount1 x Gear Clamp1 x Lens Bracket2 x Base2 x Double Sided Tape2 x Quick Release Card Slot1 x Card Slot Fixing Screw3 x Fixing Screw2 x Nut1 x Hex Wrench1 x User Manual