Streamlight Super Tac IR LED Tactical Flashlight. The Streamlight Super Tac IR LED tactical flashlight has a single high power IR Infrared LED rated at 850 nm. Infrared light is only visible with night vision equipment. The Super Tac IR has a specially designed parabolic reflector that is optimized for a long range beam with optimum peripheral illumination. The Streamlight Super Tac IR LED flashlight runs for up to 3.5 hours on 2 ea CR123A lithium batteries. The pushbutton tail switch on the Super Tac IR can be rotated to the position to prevent accidental activation. Specifications Battery 2 ea CR123A lithium, included Dimensions 6.6 long x 2.2 head dia Lamp Type IR LED, 850 nm Light Output infrared output is not rated Weight w/ Batteries 7.1 oz Run Time 3.5 hrs Focus Type Fixed On/Off Pushbutton, Tail-Cap Material Anodized aluminum Origin Assembled in USA Features High power IR infrared LED, 850 nm only visible with night vision e Streamlight Super Tac Flashlight Super Tac IR;lithium batteries. CP