The AGM® PVS-14 3AL3 Green Phosphor Night Vision Monocular is a multi-purpose night vision device and was originally commissioned by the United States Military for nighttime operations. This monocular can be used as a handheld device or you can mount it on the included head harness for convenient hands-free operation. Plus, with the proper accessories, this night vision monocular can be mounted to combat helmets for night vision capabilities with compatible optical sights. Featuring a rugged and compact design, the PVS-14 conforms to 810G military standards and is designed to be ergonomic with simple and easy-to-use controls for intuitive use in virtually any tactical environment. What’s more, this night vision monocular features manual gain control, an automatic bright light shutoff feature, and a built-in Infrared (IR) illuminator to give users complete control. Operates on 1 AA battery (included) with up to 50 hours of battery life on the lowest setting. Head mount assembly and helmet/head mount adaptor included. Backed by a 3-year warranty from AGM.