The generation 4 PowerTac E5 high-power LED flashlight is designed specifically to be the ultimate EveryDay Carrying (EDC) and tactical light. It is built with cutting-edge technology, unparalleled performance, exceptional craftsmanship, and unbeatable reliability. It comes with a friendly user interface for simple operations and multi-functions for different situations. It is perfectly engineered to be extremely portable and powerful with a highly focused tight beam. It delivers on design, performance, quality and reliability. Its tremendous illuminating power, extraordinary versatility, rugged built quality makes it the preferred choice of many professionals and ideal for military, police, adventurists, hunters, search and rescue and other tough or hazardous tasks.