Compatible with Weaver- and Picatinny-style rails, the Tasco® ProPoint 1x30mm Red Dot Sight boasts a waterproof aluminum housing for superior corrosion resistance and lasting performance in difficult hunting and tactical environments. Adjustable in 1 MOA click increments, the 3 MOA red dot reticle offers quick, intuitive target acquisition, while multi-coated lenses and multiple user-selectable brightness settings deliver exceptional clarity. Multiple “Off” settings in between each brightness level deliver a quick return to your favored brightness level. Plus, this sight boasts a 120 MOA windage and elevation range for maximum versatility. Operating on one CR2032 battery (included), this red dot sight offers an impressive 5,000-hour battery life.