This is the camera that fits on a keychain and captures high-definition video. It captures HD video at 1280 x 960 pixel resolution and still images at 5 MP resolution, saving footage in either AVI or JPEG format. It can also capture audio files in WAV format. Videos, images, or audio can be saved onto a microSD card up to 8 GB (not included) inserted into its built-in memory card slot. With an optical viewfinder and autofocus. Its rechargeable lithium-ion battery provides up to two hours of operation from a single charge via the included USB cable when connected to a computer running Windows 7, Vista, or XP or a Mac. 1 1/4" H x 1 3/4" W x 1/2" D. (9 oz.)