This cam is designed to work in conjunction with your camcorder. Features a special 3.6 mm lens that self-adjusts from bright sunlight to cloudy and vice versa in order to prevent “whiteout” and “dropout”. The unit is powered by the included 8-AA battery pack and easily mounts to any helmet or flattish surface. Cables, microphone and tool kit are also included. Camera delivers high-resolution 520 TV line resolution. This camera can be used with any recorder that has A/V (analog) capabilities. If you can record from an outside source, such as a TV or VCR to your camcorder, you can use it with this camera. Batteries not included. 3.1"×1". 3.7 oz. Sale: Discontinued item, limited quantity available.