NightSearch is water resistant and measures just 5.5" long and 2.5" wide. It weighs only 17 ounces, has easily operated controls, resolution of 36 lp/mm, and is powered by a readily available camera battery. And NightSearch has a built in infrared illuminator for use in total darkness. For hunters, this means a very capable instrument in a very compact package. It is adaptable for 35mm cameras, digital cameras, and video cameras with the Nikon Universal mounting brackets (sold separately). A 2.8x teleconverter is also available. NightSearch has a one year warranty on electronics.