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 handed operation. C4 LED, shock-proof with a 50,000 hr lifetime, is 3X brighter than a super high-flux LED. Up to 30,000 candela (peak beam intensity); 160 lumens measured system output. Deep-dish parabolic reflector produces a long range targeting beam with optimum peripheral illumination to aid in navigation. Optimized electronics provide regulated intensity. Runtime: up to 3.5 hours to the 10% output level. Anodized Machined Aluminum. Limited Lifetime Warranty. Two 3V CR123A lithium batteries (included). IPX4 Rated design; all openings o-ring sealed to resist moisture. Fits Streamlight 69100 Rail Mount; Operates with remote switches. LED Solid State circuitry provides regulated light output throughout battery life. 6.62-Inch; 7.1-Ounce. Available in box (Holster included), or blister pack. Assembled in USA.