Holds a CREE XP-L LED with a lifespan of 50,000 hours Max output of 950 lumens and beam distance of 220 meters Advanced moving step-less dimming, choose the lumens desired light quickly. Stainless steel revolve control ring Waterproof: IPX-8 Impact resistant: 1 meter Made of durable aero-grade aluminum alloy HAIII military grade hard-anodized finish Specifications LED: CREE XP-L LED Max output: 950 lumens Reflector: SMO Glass: Coated mineral glass Switch: Magnetic ring infinitely variable dimming switch Body material: Aero grade aluminum alloy Battery: 1*16340 or 1*18350 Dimension: 81 mm length* 25.7 mm head diameter* 24.5 mm tail diameter Weight: 75.2 g (without battery)