Streamlight 14102 Sidewinder Compact Tactical Flashlight with C4 LEDs, Helmet Mount and CR123A Lithium Battery, Coyote - 55 Lumens Twenty Flashlights In One, Engineered To Meet A Variety Of Hands-Free Task Illumination Requirements Each LED Features 4 Levels Of Output Intensities: Low (5 Percent), Medium 1 (25 Percent), Medium 2 (60 Percent), High (100 Percent) Plus A Strobe Function (100 Percent) Articulating 185 Degree Rotating Head Durable Belt/Clothing Clip With Integral Helmet Mount Features Allow For Hands-Free Use Lithium Battery Allows For Operation In Extreme Temperatures