Specification:Item Type: Helmet CameraMaterial: Aluminum AlloyColor: BlackBattery Type: Built in 750mAh Lithium Battery (Included)Lens: 120 Degree High Resolution Ultra Wide Angle LensVideo Recording Format: AviVideo Encoding: M JPEGVideo Resolution: 1920x1080Video Frame Rate: 30fps±1fpsPlayback Software: Operating System Comes with or Mainstream AV Playback SoftwareImage Format: JpgImage PX: 8MPImage Ratio: 4:3Memory Card Slot: Memory Card (not Included)Microphone: Built inUSB Interface: USB2.0System Requirements: For Windows 2000 XP Vista, for Windows 7, for OS X 10.3.6 or AboveHow to Use:Afterinstallationanduse,refertothedetailedinstructions.Package List:1 x Helmet Camera1 x Bracket1 x Helmet Strap1 x Lanyard1 x Clasp1 x USB Cable1 x Instruction ManualNote:1. Please charge it after you receive it. It does not have enough power to shoot video at once.2. Helmet camera can record all the time, but the video will be stored automatically every 3 minutes.