The lightweight & compact Streamlight TLR-10 Flex Weapon Light features the latest in LED technology for high lumen operation and provides 1.5 hours of continuous runtime from a two CR123 lithium batteries. 1000 lumen output delivers a powerful beam with extensive range, good peripheral coverage and selectable strobe mode. This light/laser combo features a fast rail clamp for rock solid repeatability on a wide variety of full size weapons. The TLR-10 model features rear switches. FeaturesLightweight and slim High power LED for extreme brightnessAmbidextrous operationOne handed snap-on and tighten interface keeps hands away from muzzle when attaching or detachingSecurely fits a broad range of weapons using key kit providedExtensively live-fire testedOperating temperature: -40AdegF to +120AdegFIPX4 rated design, water resistant operationSerialized for positive identification