The Reactor G2500 light s incredibly Bright 2500 Lumen LED technology is used by the U.S. Navy Seals the Coast Guard Firemen Policemen U.S. Search and Rescue and now it s been placed inside of an amazing Flashlight. Have you ever had someone take a picture of you at night with the flash on it takes up to 3 full minutes to see properly again. Now imagine a flash 300x brighter That doesn t turn off. Causes flash blindness: Temporary loss of vision produced when retinal light-sensitive pigments are bleached by light more intense than that to which the retina is physiologically adapted at that moment. You d have the ability to disorient any would be attacker with the push of a button that s exactly what happens with our Military Grade tactical flashlight. Takes 3 AAA batteries or 1 18650 Lithium Ion (not included)