American Technologies Network night vision is top of the line and the top choice of our Military. Currently their night vision products are being used in Iraq for night maneuvers and meet the high standards of the military. Product features are total darkness technology, lightweight, glass lens system, Gen. 1, two year manufacturer warranty; includes a 3 volt lithium battery and soft case. Please remember night vision products are designed to be used at night in the dark and not during the day, direct sun light exposure will void the warranty. NON-RETURNABLE Viper Goggles Great for hands free operations and features a single switch button operation, automatic brightness control, manual focus, water resistant, 1X magnification, FOV 20, range of focus .03m to infinity, and includes IR illumiNATOr. These goggles are so versatile that you can remove the unit from the goggles and use it as a monocular, two units for the price of one!