Feature of C8-S: Brightness: 1100lm(CREE-T6) Power: 10W Material: Aluminum alloy casing Mode: 5mods(Strong/Medium/Low/Strobe/SOS) Switch: Press Tail-cap on/off Light power: 1*18650 rechargeable battery Color: Black Size: 15cmx4.5cmx2.5cm Weight: 180g(without battery) Lighting time:2-3hours Range: 200-300m Oxidation: Aerospace grade aluminum alloy manufacture Waterproof standard:IP67 Charging way: USB cable Package list: 1*C8-S Flashlight 1*18650 Battery 1*USB Cable 1*Rope