The MH-PVS14 series is the all around best multifunctional night vision monocular available. Head or helmet mounted, the MH-PVS14 series allows the user to retain their night adapted vision in one eye while viewing their surroundings through the illuminated eyepiece. The new battery housing completes the perfect package by allowing the user to power off the unit when in an upright position and power on when flipped down. Main Features 1.Waterproof,weather and fog resistant; 2.Automatic brightness control; 3.Two different color imaging effects of white and green; 4.Multipurpose: handheld, helmet support, head support;