Adjustable DuoFocus beam goes from spot to flood with the Performance Tool FirePoint X Light. Super Bright Sylvania LED never needs replacing. Anodized tactical aluminum housing that's water and impact resistant. Specifications: 1001 lumens on high, 227 lumens on low, 4 hour runtime on high, 6 hour runtime on low, 175mm total length.Requires (1) 18650 Li-ion battery (included) or 3AAA batteries (not included).FirePoint X flashlights feature a heavy duty design with improved thermal efficiency resulting in up to 20% better performance than comparable flashlights.