Lightweight & compact, the RM 2 Laser Weapon-Mounted Tactical Light features a 6000 series machined aircraft aluminum with type II mil-spec anodized finish. The light source is a white LED that produces a very bright 1000 lumens; 10,000 candelas with a 200m beam. The 69488 has a run time of 1.5 hours ( LED only or LED/Laser) There is a user-enabled strobe function that can run up to 3 hours. The laser only can run up to 60 hours of regulated output with a 640-600nm red laser. The 69488 also features a multi-function, push-button tactical tail switch. Quick press to activate the constant on operation and press and hold for momentary operation. Double-tap either switch within 1/4 second to activate the strobe functionality. Three-position mode selector switch lets you use Laser only, LED Illumination only, or both. The TLR 2 Laser Tactical Light is powered by two CR123A lithium batteries that are included.