The ultimate waterproof self-contained action cam. Weighing in at half a pound (with batteries), this hands-free action cam delivers full color digital video in 640 X 480 VGA at 30 frames per second. ATC2K works seamlessly with most video editing software. Expandable up to 2GB, with a built-in SD card slot, ATC2K mounts easily on helmets, bikes, race cars, dirt bikes and more. Wipeouts in a white out or an unexpected barrel roll? No worries, ATC2K is waterproof up to 10 feet! Dimensions: 4.25"L x 1.75"D x 2.25"H.