Ballista 1x23x34mm Dot Sight Magnification: 1x Illumination: 5 red and 5 green levels 4 reticle styles (dot, circle dot, crosshair, and crosshair/circle/dot combinations) Unlimited eye-relief Multi-layer anti-reflective coating Adjustable height, brightness, windage, and elevation Click value: 1 MOA Elevation Range: 40 MOA Windage Range: 40 MOA Length: 3.15" Width: 1.43" Height: 2.08" Weight: 3.8 oz Picatinny mount Shockproof and waterproof Includes one CR2032 battery