2r-5000 tac4l tactical hi-power led tektite part# ed0005-r2te 2r5000 831972000251 Tac4l, tactical hi-power led tek-tite 5 watt Computer machined from a solid bar of aluminum, the tac4l is designed for use with 1" weapon rail clamps or as a compact super-bright led flashlight. It's cree led produces a blistering 240+ lumens of brilliant white light equivalent to more than 100 regular leds. Specialized 6-degree optics produce a narrow spot beam that cuts through fog and smoke with minimal backscatter. Dual-action momentary tail switch eliminates cable switches that can tangle or fail; simply mount on fore stock and slide your hand forward slightly to lightly press on the tail for momentary use or twist-on for constant use. Two cr123a lithium batteries (included) provide power to the tac4l's cree led. O-ring seals make this light waterproof (not for scuba use). Includes, at no additional charge: a rubber glare guard. ip67 lamp: cree xre led lamp life: 10,000+ hours batteries: 2 - cr123a (3 v) lithium (included) power: 240+ lumens ce (european union compliant) materials: anodized aluminum and lexan weight: 0.50 lbs. (0.23 kg) dimensions: length: 5", head diam.: 2.125", body diam.: 1"individually serial numbered u.s. patent #6,168,288 made in the USA (complies with the "buy american act", may contain imported components factory lifetime warranty