PVS7 is a standard issue goggle type supplied to the U.S. Military and its allies worldwide. Armasight PVS-7 3P is equipped with Automatic Brightness Control (ABC) which automatically adjusts the brightness of the image intensifying tube to achieve the highest quality image resolution under varying light conditions as well as a built-in infra-red illuminator which allows the user to operate under zero light conditions. Lightweight, rugged, and versatile, the Armasight PVS-7 3P can be hand-held, head-mounted, and helmet-mounted. The Armasight PVS-7 3P is equipped with a high-performance ITT Gen 3 Pinnacle image intensifying tube providing a clear image and resolution of 64-72 lp/mm. The PVS7 is the most widely recognized and dependable U.S. Military night vision goggle system available. Specification: Generation: Gen 3P - ITT PINNACLE Resolution: 64-72 lp/mm Magnification: 1x Lens system: F1.2 Field of view (°): 40 Focus range (m): 0.20 to infinity Diopter adjustment (dpt): +2 to -6 Power Supply: Two (2) AA batteries Battery life (hour): 30 Infrared Illuminator: Yes (Built-in with flood lens) MIL-STD-810: Complies Environmental Rating: Waterproof Operating temperature (°C): -51 to +52 Dimensions (LxWxH, mm /in): 162x 152 x 76 / 6.4 x 6 x 3 Weight (kg/lbs): 0.68 / 24