The Shepherd SR-11 is a compact 3 MOA red dot sight designed for fast, both-eyes-open target acquisition in close range situations. It has a rugged, lightweight aluminum chassis that can be mounted on almost any platform from pistols to rifles to shotguns. Other features include parallax free optics with multi-layer PVD coatings, auto off 4-hour timer, side power/intensity controls, side-mount battery tray, and unlimited eye relief. The SR-11 is a must have for everything from home security to hunting to small weapon tactical use.