Uses NcStar's patented keymod quick release technology Includes dot, bulls eye, starburst and cross reticles LED lighting is 100% safe for the eyes Unlimited eye relief for flexible mounting 7 brightness settings for reticles Black anodized aluminum construction Rubber lens cap and tools for adjusting reflex optics are included Can be mounted at an offset angle (30deg/45deg) for a secondary optic to your primary Selector switch at the back of the optic, allows you to select the desired reticle In the Box 1X Dot Sight 1X CR2032 Battery Specifications: Brand NcStar Build Aluminum Reticle Color Red Dot Size 3 MOA Objective Lens 24.0mm X 34.0mm Magnification 1x Length 3.2 in Weight 0.33 lbs Lens Coating Ruby Battery CR2032 3 volt Lithium (battery included) ColorA A BLACK California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov