CREE Q5 LED 200LUMENS (WHITE LIGHT) RUN TIME: MORE THAN 30MINS COLOR: BLACK FEATURES: TACTICALLY SWITCHING: CLICK SWITCH TAILCAP THE SECOND GENERATION OF PRESSURE ACTIVATED TAPE SWITCH WHITE LIGHT & STROBE OUTPUT VER. SECURELY ATTACHES TO ANY MIL-SPEC PICATINNY RAIL IN SECONDS POWERED BY 1X CR123A (3.0V) BATTERY (USING A 16340 [3.7V] BATTERY MAY CAUSE DAMAGE OF CIRCUIT)