Compact LED red dot sight provides fast, both-eyes-open sighting without concern for parallax – simply place the dot on the target, and pull the trigger for accurate short- to mid-range shots. The one-piece aluminum chassis is waterproof and shockproof to withstand the recoil of pistols, rifles, and shotguns. Wide-Field glass lens that delivers excellent edge-to-edge brightness for an extremely clear sight picture. Ultra-hard, scratch-resistant coating protects the highly-polished, anti-reflective lens. High-intensity, unlimited-eye-relief center dot –available in 3 MOA or 6 MOA dot sizes – features 10 brightness-intensity settings that enable use in any lighting conditi Mfg: Vortex Optics SPECS: Aluminum, hardcoat anodized, matte black. 2" (5cm) OAL. 1" (2.5cm) wide. 1.3" (3.3cm) high w/ base. 2.4 oz. (68g) wt. 170 MOA elevation adjustment range; 114 MOA windage adjustment range. 1 MOA click value. Includes CR-2032 battery, instructions, and protective cover.