The CMR-206 Rail Master Green Laser Sight is an instantly-activated universal laser sight for 1913 Picatinny or Weaver rail-equipped pistols and rifles. Ambidextrous dual-side control tabs allow the user to instantly activate or de-active the laser. Able to constantly operate for two hours on a single 1/3N Lithium battery and features a five-minute auto shut-off for power conservation. The CMR-206 Rail Master offers three modes of operation: Momentary, Strobe, and Constant-On. This allows the user to easily set their mode based on personal need or preference. The unit is quickly and easily user-installed in moments and can be painlessly transferred from firearm to firearm. Securely fastened using Crimson Trace's Secure Lock Technology. User-adjustable windage and elevation. Produces a 5mW green laser with a dot size of .50" at 50'.