Designed for concealed carry; Patented housing shape diverts the force of an impact away from the lens; Snag-free design - Easier to carry, easier to draw; True-color, multi-coated lens; Designed to be waterproof to 20 meters (66 ft.); Easily adjustable windage/elevation - No need for special tools; 3 MOA per tick; Ruggedized battery contacts and electronics ensure performance and survivability in harsh environments; Complete user-control illumination settings - 8 brightness settings, including 1 super bright mode and 2 night; 4 year battery life, CR2032 battery; Fits many popular pistols