The Armasight Nyx-7 PRO ID Generation 2+ Night Vision Goggles NSGNYX7P012GDS1 have been designed to offer the perfect night vision device to any nighttime shooter. This Night Vision Bi-Ocular from Armasight is an extremely rugged but compact bi-ocular night vision goggle. Built with the highest grade optics and simple, reliable electronics, the Armasight Nyx-7 PRO Improved Definition Night Vision Goggle provides clear, bright nighttime images under even the most trying conditions. For hands-free use, it can be worn on the included flip-up head mount or optional universal helmet mount, both of which have a built-in mechanism that will automatically turn the unit off when it is flipped up. The Armasight ID Nyx-7 PRO NV Goggle is equipped with built-in infrared illuminator that allows the user to operate in total darkness. The Armasight Nyx-7 PRO ID Goggle also has a high-light cut-off feature that protects the image tube from bright light sources, as well as a flip-up shut-off feature that activates when used with the optional helmet mount assembly. This Armasight Night Vision Goggle is equipped with LED indicators that are displayed on the screen of the eyepiece to alert the user of a low battery or that the IR is turned on. The Armasight Nyx-7 PRO Biocular can also be utilized as an excellent long-range viewer with optional 3X afocal, 5X, and 8X magnifier lenses. The CR123/AA adapter is built into the battery compartment and requires only a single 3V CR123 or 1.5V AA battery for hours of night vision operation. Waterproof, rugged, lightweight and compact, the Armasight Nyx-7 PRO Night-Vision Biocular w/ Improved Definition is the perfect handsfree unit for users ranging from the casual civilian to even the most demanding military and law enforcement professional.