The Crimson Trace CMR-207 Rail Master Pro is designed for versatility and precision offering a robust combination of a 400-lumen LED white light and a red aiming laser. With its sleek durable aluminum construction this unit is engineered to fit a wide range of firearms from pistols to rifles and shotguns using M1913 Picatinny or Weaver-style accessory rails. The ambidextrous power switch ensures ease of use for both left- and right-handed users. Featuring user-programmable modes you can choose between laser and light laser only or light only functionalities. The smart electronics include an automatic power-down feature after five minutes to conserve battery life. The laser is adjustable for both windage and elevation ensuring pinpoint accuracy. Powered by a single CR123 lithium battery this device combines reliability and functionality in a compact package.