This 30mm red dot sight offers a choice of 3 reticle colors (red, green, and blue) for contrast against any target and background. The 3 MOA reticle is specially designed for tactical style firearms and fast target acquisition and can be adjusted for brightness. The sight is water and shock resistant up to 1000g as well as fog-proof. The lightweight compact design allows for tool-less click windage and elevation adjustments and a wide field of view with unlimited eye relief. The sight also features see-thru flip-up lens caps and an integrated lanyard system which prevents loss of the screw down caps. Features an integrated weaver style mounting system along with a detachable, extended sunshade that reduces glare from the front lens. Includes batteries.