High Quality: UltraFire WF-502B flashligth is small in size, but powerful in performance. The flashlight is made of military grade aluminum alloy with a matte light anodized finish to withstand scratches, abrasion and corrosion. Rugged enough to handle long hours of daily use. Super Bright: This flashlight features an high efficiency LED with a life span of 10,000 hours. It provides a maximum output of 1,000 lumens and a maximum beam distance of 200 meters.