Crimson Trace Rail Master Infrared Modular Tactical Laser Black. Equipped with an IR (Infrared) laser sight this low profile laser module is optimized to be used with night vision sights or goggles. It can be mounted almost anywhere freeing up valuable rail space for other accessories like a weapon light. It comes complete with Pic Rail and M-LOK adapters. The remote switch has tactile ON/OFF and Momentary ON functions. Backed by the Crimson Trace Crimson Protect limited lifetime warranty this laser sight is a must have for your self defense weapon. Specifications for Crimson Trace Rail Master Infrared Modular Tactical Laser: Manufacturer: Crimson Trace Color: Black Mount Type: M-LOK Package Contents: Crimson Trace Rail Master Infrared Modular Tactical Laser Crimson Trace 01-3000223: Rail Master Infrared Modular Tactical Laser Black