Urban gray optic body and mount color LED lighting is 100% safe for the eyes Rheostat knob with 3 brightness levels for each color reticle Features unlimited eye relief for flexible mounting Includes urban gray 30mm cantilever weaver/picatinny type mount Powered by 3 volt lithium batteries (CR2032) *included Extra battery and mounting tools provided. Durable aluminum alloy constructed body Black powder coated body for a smooth finish Includes Mounting tools for use out of the box In the Box 1X Dot Optic 1X CR2032 battery Specifications: Brand NcStar Operation Dot Sight Build Aluminum Compatibility 20mm Picatinny / Weaver Rails Reticle Color Red, Green, Blue Dot Size 3 MOA Magnification 1x Eye Relief Unlimited Objective Lens 35mm Length 5.0 Inches Click Value MOA Weight 0.55 lbs Battery CR2032 ColorA URBAN GRAY California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov