The Crimson Trace Rail Master combines two tactical necessities into one easy to use unit for your personal defense weapon. The laser shows exactly where your weapon is pointing to give you a easy aiming solution. This laser is factory sighted in at 50 feet and provides quick target acquisition. The bright green laser will be easily seen even in daytime shooting situations. The LED flashlight delivers 100 lumens to light up the area and help identify your target. Easy controls assist in toggling between modes and includes an auto shutoff at five minutes to conserve the battery life. Designed to fit any firearm with a standard M1913 Picatinny rail or Weaver-style rail, the Rail Master is a great accessory to have on any defense firearm. Crimson Trace also extends one free set of batteries each year for life when you register your Crimson Trace product on the manufacturers website. Features4 lighting modes: Laser/Light constant On, Laser constant on, Light constant on, Laser w/ Li...