Type: Laser Sight/Tactical Light. For Gun Type: Handgun. Model: Rail Master Pro. The Crimson Trace CMR-207G Rail Master Pro offers a powerful 400 Lumen LED white light and green aiming laser in a compact and durable unit. The CMR-207 features an aluminum body with ambidextrous activation points. User programmable modes of operation include: Laser + Light, Laser Only, Light Only. This Rail Master Pro features smart electronics that will power down the unit after 5 minutes, (preventing battery drain if activated during casing or holstering). Laser sight is fully user adjustable for windage and elevation. Powered by a single CR123 Lithium battery (not included). Crimson Trace Rail Master Pro CMR-207G Laser Sight/Tactical Light. This laser/tactical light is previously owned and inspected fully. There are surface marks and wear on the body. Tested fully and works well. See images for details.