AGM NVG-40 NW Night Vision Goggles/Binocular Dual Tube Gen 2+ "White Phosphor". The AGM NVG-40 is a dual-channel night vision system. With a 40° field of view, it provides a large visual field without needing to move the binoculars. The NVG-40 uses advanced multi-coated optics and is built to last with a compact composite housing. Operating from a single AA alkaline battery or CR123A battery, the NVG can run up to 20 hours. Also equipped with an integral infrared illuminator for reading in the dark. Head or helmet mountable for hands-free operation. Ergonomic, simple, easy to ...