NVM14-3P Features: Compact, rugged design Waterproof Weapon mountable Head or helmet mountable for hands-free usage Auto brightness control Bright light cut-off Ergonomic, simple, easy to operate controls Utilizes either CR123A lithium battery or AA Alkaline. Adapter included Compatible with most IR lasers Adaptable for use with cameras Total Darkness Technology with built-in Infrared illuminator and flood lens Battery Adapter included Optional patented Life Tracker System available for measuring hours of operation Limited two-year warranty he ATN NVM14-3P Multi-Purpose Night Vision Monocular is an advanced multi-mission 3rd Generation hand-held, head-mounted, helmet-mounted, weapon-mounted Night Vision Monocular System that enables activities such as walking, driving, weapon firing, night surveillance, map reading, vehicle maintenance and administering first aid under the cover of darkness. The ATN NVM14-3P Multi-Purpose Night Vision Monocular�s great flexibility makes it an ideal Night Vision Device investment for police, military, search/rescue, private security firms, and security conscience civilians looking to maximize Night Vision capabilities. The ATN NVM14-3P Multi-Purpose Night Vision Monocular utilizes a single, technologically advanced ITT Pinnacle Image Intensifier Tube to provide crisp, clear images in the darkest of conditions. The ATN NVM14-3P is compatible with most IR laser aiming/illuminating devices. The ATN NVM14-3P can also be used with a camera for nighttime photography. The ATN NVM14-3P Multi-Purpose Night Vision Monocular allows for vertical adjustment (by using head straps), fore-and-aft adjustment, objective lens focus and eyepiece focus. The ATN NVM14-3P Multi-Purpose Night Vision Monocular utilizes the principle of intensification of the residual light which is reflected from the surrounding objects. The ATN NVM14-3P Multi-Purpose Night Vision Monocular is also equipped with ATN Total Darkness Technology featuring a built-in Infrared light-emitting source giving it maximum flexibility even when available ambient light is minimal. The optical system of the rugged ATN NVM14-3P Multi-Purpose Night Vision Monocular consists of an objective lens, an ITT Pinnacle Image Intensifier Tube and an eyepiece. The ATN NVM 14-3P Multi-Purpose Night Vision Monocular is an ideal choice for any outdoor enthusiast, whether hunting, boating, sailing, yachting, kayaking, fishing, camping, or hiking. The ATN NVM14-3P Multi-Purpose Night Vision Monocular is smaller and lighter than the Mil-Spec PVS14 and is fully submersible to a depth of 66 feet (20 meters). The ATN NVM14-3P Multi-Purpose Night Vision Monocular is a total Night Vision Package for the modern nighttime military operator, police surveillance, search/rescue, or civilian concerned with securing family and property.