Includes extra battery and mounting tools Absolute eye relief for flexible mounting Adjustable green dot sight brightness levels 100% Safe for the Eyes with LED lighting Tools included to adjust reflex optics zero Electronic control panel turns the dot sight on or off Black anodized aluminum alloy build with a smooth finish Integrated adjustable red class IIIa laser zeros in on targets Quick release mount firmly attaches onto 20mm picatinny and weaver rails Powered by 3 volt lithium batteries (CR123A included) for longer battery life Tri-20mm picatinny rail attachments attach addistional lasers, lights and sights In the Box 1X Dot Sight w/ Laser 1X CR123A Battery 1X Carrying Case Specifications: Brand NcStar Operation Dot Sight Build Aluminum Compatibility 20mm Picatinny / Weaver Rails Reticle Color Green Dot Size 2 MOA Magnification 1x Eye Relief Unlimited Rail Type 20mm Picatinny Tri-Rails Rail Type 20mm Picatinny Tri-Rails Length 4.5 Inches Laser Class IIIa Wavelength 635 - 655nm Battery CR123A ColorA BLACK California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov