Current US military issue a single tube goggle incorporating a Gen III Surveillance grade image intensifier. Designed for starlight lighting level conditions, the PVS-7 goggles permits hands free operation and is comfortable to wear. The image intensifier is powered by two AA batteries which provide 50 hours continuous operation. A quick release feature makes the goggle quick and easy to put on and take off. A neck strap safely holds the image intensifier goggle when not in use and a bright-light limitation and cut-off prevent the user of these intensifiers from being blinded by headlights or other visible high light sources.