6000 Lumen 3x CREE XM-L T6 LED Flashlight Torch 30W Light 4*18650 Charger Made of high quality 6061T aluminum alloy, this flashlight is sturdy and durable enough for long time daily using Lamp base: CREE, high power LED. With a lifespan of up to 100,000 hours or more, no need to consider replacing the cap for the whole life. Waterproof, (Not for Diving) (don't put it into water long time) Bulb: 3 x CREE XM-L T6 LED Switch Location: Tailcap (middle)