The AGM UNVG-RPO is a dual-channel night vision system. The UNVG-RPO 3APW uses advanced multi-layer optics and is equipped with a Gen 3 Advanced Performance FOM 2600+ Auto-Gated White Phosphor image intensifier tube (IIT). The bright light cut-off feature ensures that the high-quality photocathode tube is protected. The UNVG is also equipped with manual gain control which adjusts the image brightness providing the highest possible image quality even in changing light conditions. The independent movement of the pods allows for single or dual eye configurations for increased operational flexibility. Each tube will automatically turn off when flipped up. Operating from a single AA alkaline battery the UNVG can run up to 15 hours. With an external battery pack (included) the operating time increases to 60 hours! Also equipped with an integral infrared illuminator for reading in the dark. The device can be installing to a either standard dovetail type headset and helmet mount. Device is built to last with a compact composite housing. The device weighs only 16.75 oz (475 g). Includes: Night Vision Goggles External Battery Pack Connecting Cable with Battery Adapter Demist Shield (2) Sacrificial Window (2) Neck Strap Carrying Case Lens Cloth User Manual AA Battery