Small sized and delicate outlook Clear video taking Supports 4GB SD card Built-in memory 32MB Handsfree, suitable for use in sports like swimming, riding, hunting, surfing, boating, and more Can easily be mounted on helmet, bike, and boat or anywhere else Battery 2 x 1.5V AA alkaline batteries (include) Waterproof under 3m deep water, especially suitable for swimming, surfing, and underwater photographing or other water game Can work an webcam Sensor resolution 640 x 480 pixels VGA CMOS 640 x 480 pixels (30fps) 320 x 240 pixels (30fps) Status LCD 2 digits B/W Focusing range 3m - infinity Auto shut-off 30 minutes Movie images: AVI USB: 1.1 Dimensions: 40 x 110m Weight with packing and accessories: 620g Operating system Microsoft Windows 2000/XP/Vista and Apple Mac X 10.4 and below