Compact and extremely powerful, Stinger DS LED HP rechargeable flashlights offer 3 microprocessor controlled variable intensity modes, strobe mode and the latest in power LED technology. The Stinger DS LED HP includes a second independent easy to locate tactical tail cap switch. The combination of rechargeable batteries and the C4LED results in one of the lowest operating costs of any flashlight made. The case is made using 6000 series machined aircraft aluminum with non-slip rubberized comfort grip. The lens is made using unbreakable polycarbonate with scratch-resistant coating. The lens is O-ring sealed for water resistance (IPX4 Rated). This flashlight has a 50,000 hour lifetime. Deep-dish parabolic reflector produces a long range targeting beam with optimum peripheral illumination to aid in navigation. Optimized electronics provides regulated intensity. Multi-function, easy access head mounted push-button on/off switch designed for extremely long life.