The super tac is an extremely high performance CR123A lithium battery-powered flashlight. This light features the latest in LED technology for extreme brightness and long range illumination combined with a push button momentary or constant on tail cap switch for one handed operation. Case material made of 6000 series machined aircraft aluminum with black anodized finish. High-performance lithium powered tactical light. C4 LED technology generates 3x the brightness of a standard LED! new C4 technology pumps up the brightness up to 3X more light intensity. New C4 LED technology pumps up the brightness up to 3X more light intensity. Streamlight introduces a whole new kind of LED. With a brighter, more powerful, blinding light than any LED that's come before. Our new Streamlight-engineered reflector with C4 photonic crystal technology almost triples the brightness and creates an intense beam that pierces the darkness. So you get the long-run times and indestructibility of an LED with a new level of brightness that leaves other LEDs in the dark. C4 approximates the range and brightness of a xenon bulb The Super Tac is an extremely high performance lithium battery powered flashlight featuring latest in C4 LED technology for extreme brightness and long range illumination combined with a push button momentary or constant "on" tail cap switch for one hande