Rail space is always at a premium, so why bother with two devices when one will do the trick? The Crimson TraceA(R) CMR-207G Rail MasterA(R) Pro is a powerful 400-lumen LED white light and green aiming laser in a compact little unit. The CMR-207G is made from durable aluminum that can regular use and abuse, and features ambidextrous activation points for easy operation from either side. Fits pistols, rifles and shotguns with Picatinny or Weaver accessory rails Durable aluminum body 400-lumen white LED Green laser aiming point is adjustable for windage and elevation Ambidextrous activation points for easy on/off Modes include laser + light, light only, laser only Smart electronics will shut the unit down after 5 minutes of inactivity Powered by (1) CR123 lithium battery (not included) Order today!