U.S. Night Vision PVS-14A Gen 2+ Night Vision Monocular 001317 is currently used by the U.S. Armed Forces and Special Ops units. The U.S. Night Vision night vision device has recently been redesigned to operate on a single AA battery. US Night Vision has included a built-in IR illuminator, high powered Generation 2+ night vision technology, and mil-spec multi-coated optics with the USNV PVS-14A Generation Two Plus NV Monocular, giving you bright, accurate visuals with plenty of convenience. Automatic Brightness Control and Bright Source Protection are standard on the night vision monocular. This advanced U.S. Night Vision NV monocular comes with an iPhone 4/4S adapter, hard case, batteries, and much more. The most versatile night vision system on the market, the US Night Vision PVS-14 Alpha Gen II+ AA Night Vision Monocular can be used hands-free, head-mounted, helmet mounted, weapons mounted or attached to a camera or camcorder for nighttime photography.