OPEN REFLEX SIGHT CT RAD Mounting Pattern – Fits most full size handguns and is compatible with the Docter footprint. Easy-rack textured sides for enhanced grip. Large function buttons for brightness adjustment. Adjustable windage and elevation – aerospace aluminum construction – IPX4 water resistant – Rubber sight cover included – Top access battery location. (1) CR1632 battery included – 20,000 hours of runtime – 3 MOA dot – Auto Shutoff Function – Sight automatically shuts off after 8 consecutive hours of operation to conserve battery life – Manual ON/OFF function to conserve battery life. Mfg: Crimson Trace Corporation