GSI Super Quality High-Definition Helmet Action Audio/Video DVR Camera/Camcorder - USB Interface, Internal Microphone - Helmet Strap and 4 GB Memory Card Included, For Biking, Cycling, Racing, Skiing Etc. Multi Featured Camera Attaches to Helmet - Records Video Outdoors While In Action Video Resolution: 640x480; Microphone Records Sound Up To 12 Ft. Away CMOS Image Sensor: 1.3 Mega-pixels; Supports Up To 32 GB SDHC USB Cable Included: Upload Recorded Video To PC, Laptop Or Notebook, Windows 2000/XP, Or Mac OS X One Button Control, 360 Rotation, IR LED, 2 AAA Batteries Required (Not Included)