FENIX TK61 LED 1000 LUMENS FLASHLIGHT INCLUDES RECHARGEABLE BATTERIES AND CHARGER! ULTIMATE THROW! Instant turbo and instant strobe, Maximum beam distance: 824m Dual switch system in the front to provide simple and fast operation Digitally regulated output maintains constant brightness Reverse polarity protection to protect from improper battery installation Made of durable aircraft grade aluminum, Toughened ultra-clear glass lens