The 50mm Red Dot Sight provides fast target acquisition, pinpoint accuracy and a wide field of view. It is the perfect illuminated sight for handguns, rimfire rifles, shotguns, pistols, blackpowders and crossbows. This Red Dot Sight features a finger Adjustable rheostat for variable reticle brightness control and performance. It offers the user the ability to quickly and easily change the dot color between red or green. Anti-reflective coating, unlimited eye relief and multi-coated optics create a sight with optimum performance at an affordable price. Red Dot scopes are protected by a 1 Year Limited Warranty.