Model A32M U.S. CREE High Power White LED Brightness 1000 lm (Max), 580 lm (Type), 280 lm (Min) Runtime: 100% (5 hrs), 50%(10 hrs), 25% (18 hrs), 400 meter Material: 6463 T6, Durable Aerospace-grade Aluminum Alloy body Dimension: 123 (L) x 36.5 (head) x 36.5 (diameter) +- 5% Weight: 185g (without battery), 310g (battery + blister) Battery type: 3x AA (alkaline, heavy duty, rechargeable), included IPX-6 standard and shockproof design