Manufactured by Essential Gear, the XT-100 Aluminum K2 Tactical Torch utilizes the Luxeon K2 LED bulb, which produces up to 100 lumens of pure white light. The XT-100 can be used for tactical, self-defense and general purposes. XT-100 features a precision machined high-strength aircraft aluminum with anodized finish body with an electroplated aluminum reflector. Tactical end-cap switch provides momentary-on or constant-on settings. O-ring seals provide for water-resistance. The XT-100 is powered by two-123A Lithium batteries and has a run time of up to 10 hours. It measures 5.25-inches by 1.2-inches and weighs only 3.6 ounces with batteries.