The NSR-9514B rechargeable glass-filled nylon polymer LED flashlight, offers 3 microprocessor-controlled brightness modes as well as a strobe function. Utilizing an LED, the 9514B has an impressive run-time of 4.25 hours in full-brightness mode. The 350 lumen output in combination with the high efficiency deep parabolic reflector design throws a usable beam of light 313 meters, that's over 1,026 feet. The 9514B has a two button design, a switch located on the waterproof body of the light and one in the tail cap. Both switches operate in tandem with one another.