For handguns, shotguns, rifles and paintball guns, this Red dot sight has the power and construction to last through any shooting application. Features include Unlimited eye relief, a wide field of view and an 11 position rheostat for brightness control. Click windage and elevation adjustments.Features:- 2 x 42 mm- 2.5 MOA dot reticle designed for quick acquisition- shock resistant to 1000 grams - see-thru, Flip-up lens caps- optical-quality, all-weather, rheostat for brightness control - lightweight/easy to mount, multi-coated lenses produce more than 95 percent light transmittance - ideal for shotguns, handguns, rifles, muzzle loaders, paintball and crossbows, black finish - waterproof, fog-proof- Unlimited eye relief- wide field of view".