CMR 207 Pro Laser Sight Tactical Light 400 Lumen Red Green Laser Pistol Rifle. The CMR-207 and CMR-207G Rail Master Pro Universal Laser Sight & Tactical Light combine two tactical tools in a single compact unit. These versatile units are designed to fit most modern pistols, rifles and shotguns with an M1913 Picatinny or Weaver-style accessory rail. A powerful red (CMR-207) or green (CMR-207G) laser anchors the unit and provides up to 1.5 hours of continuous use on a single CR123 lithium battery (included). The Rail Master Pro also includes a powerful 400 Lumen white light for target identification. BRIGHTNESS: Features a 400 Lumen flashlight and a 5mW peak, 620-670nm, Class 3R visible red laser that is in conformance with and complies with 21 CFR 1040.10 with a max power output of “5mW” for a “Class 3R Red Laser” – the brightest beam allowed by law. RUNTIME: 1.5 hours of run time. VERSATILITY: Can be used on most pistols, shotguns and rifles that have an M1913 picatinny and weaver-style accessory rails – including Walther PDP. DURABLE: Constructed of anodized aluminum with polymer paddles and water resistance for long term use. SPECS: This Class IIIA (IIIR) Green laser sight has a maximum output power of 5mw featuring a wavelength of 520 nm with a beam range of 200 meters in high illumination (lux) direct sunlight conditions to over 2000 meters at night.