5.11 Tactical XBT A6 Flashlight, Black Tough, bright full-sized Flashlight 629 lumen output (high)/111 lumen output (low) 10 hour runtime (high)/57.5 hours (low) Aerospace grade aluminum 328 meter beam distance (high) momentary and steady-on modes Water and impact-resistant construction (6) AA Duracell batteries included 10.188" long, 2.188" diameter head, 1.44" diameter body Weight with batteries 16oz. Cree XMLB LED Regulated circuit for maximum output limited Lifetime Warranty Durable, multi-purpose full-sized flashlight Casts 650+ lumens of light Water and impact resistant