The ROMEO5 XDR Gen II Red Dot Sight is a compact, closed red dot sight for use with modern sporting rifles, carbines, shotguns and air rifles. It features a crisp, 65 MOA circle with 2 MOA dot reticle for rapid target acquisition in any situation. The ROMEO5 XDR features MOTAC and runs off a single AAA battery providing over 50,000 hours of runtime during normal use.FeaturesStrong and Lightweight CNC Aluminum Housing10 Daylight and 2 Night Illumination SettingsTop Mounted Ambidextrous ControlsMOTAC Motions Activated IlluminationSimple and Durable 1/2" Hex MountIPX7 Waterproof RatingIncludes Installation Tool and Bikini Style Lens Covers