Motorcycle Helmet Camera HD 1080P 120 Degree Wide Angle Waterproof Compact Bike Sports Camera with Mic for Windows Item Type: Helmet Camera Material: Aluminum Alloy Color: Black Battery Type: Built in 750mAh Lithium Battery (Included) Lens: 120 Degree High Resolution Ultra Wide Angle Lens Video Recording Format: Avi Video Encoding: M JPEG Video Resolution: 1920x1080 Video Frame Rate: 30fps±1fps Playback Software: Operating System Comes with or Mainstream AV Playback Software Image Format: Jpg Image PX: 8MP Image Ratio: 4:3 Memory Card Slot: Memory Card (not Included) Microphone: Built in USB Interface: USB2.0 System Requirements: For Windows 2000 XP Vista, for Windows 7, for OS X 10.3.6 or Above