NCSTAR A(R) 1x40 RED DOT SIGHT w/RED LASER & QR MOUNT a Reticle type: Red Dot a Features LED light source (100% safe for eyes) a Anodized aluminum body a Unlimited eye relief & field of view a Integrated quick release Weaver-style mount a Integrated adjustable red laser adds sighting options a Powered by 3-Volt Lithium battery (CR2032) a Ruby lens coating a Dot size: 3 MOA a Click value: 1 MOA a Black finish a Length: 4.3 " a Wt.: 11.3 oz. a Includes extra battery