High Power 3800lumens Cree Xm-l T6 LED Flashlights(2 X 18650 Batteries) Special needs (For patrolling, hunting and arresting, inspecting, securing, Martin Rescue For climbing, camping, seeking survival, walking, diving, fishing as well as hunting Professional needs (For Gems-Testing, Mineral-Testing, etc.) Light Source Life: 100000hours Brightness: 3800Lumens