Armasight, Clip On Long Range, Night Vision Clip On Monocular, 1X Magnification, Generation 3, Ghost White Phosphor Image Intensifier Tubes, Minimum 2376 FOM, Built-in Infrared Illuminator, Matte Finish, Gray NEW Included infrared (IR) illuminator Ghost White Phosphor Tubes Gen 3 Thin-Filmed Manual Gain Control Product Description The Armasight CO-LR (Clip On - Long Range) is a night vision unit that mounts in front of an existing day scope and converts the day scope to a night vision scope, effective up to ranges of 1000 yards. The CO-LR can be mounted to or removed from a standard Picatinny rail in seconds, with no tools required. The CO-LR is recommended for use with day scopes of up to 10x magnification. The Gen 3 Pinnacle CO-Mini comes with your choice of Pinnacle image intensifier tubes with a minimum of 2000FOM, or premium Pinnacle 2376 tubes which are guaranteed to have a minimum of 2376 FOM. All Pinnacle tubes are offered exclusively in Ghost White Phosphor, the preferred choice of elite special operators across the globe.