The AGM PVS-7 is surely recognized for its ergonomic design and durability. AGM has built unique commercial grade night vision goggle system and it has repeatedly proven its worth on consumer electronics market for outdoor use, and is the best price/performance ratio bi-ocular system on the market. The AGM PVS-7 is built around commercial grade - performance Gen e2 image intensifier tubes, available in green phosphor or P45 white phosphor so you may rest assured that you will have outstanding night vision experience without breaking the bank. The PVS-7 is equipped with Automatic Brightness Control to adjust image brightness in changing light conditions to maintain image definition and clarity. The built-in infrared illuminator provides an additional light the user to operate in complete darkness our customers use them for those night winter hunts in Scandinavia when the environment around the user is extremely deemed. Cave explorers also like AGM PVS7 for durability and comfy accessories for hands free usage Additionally, the AGM PVS-7 is protected from sources of intense light, and a flip-up shut-off feature that can be used with the optional head mount system. The PVS-7 has two LED indicators in the eyepiece for the IR illuminator on and low battery indicator so you will never find yourself in the darkness in the middle of your adventure. Lightweight, tough, and versatile, the AGM PVS-7 can be handheld, or mounted to the user’s head. It is compatible with a focal magnifier lens for superior long-range viewing so you can have your very own bi-ocular build just as you want it.