TrustFire 3x CREE XM-L XML T6 LED 4000Lum Diving Waterproof Flashlight Torch This TrustFire torch uses of 3x XM-L T6 LED, producing very bright beam of light,the Output bright can achieve to above 4000 lumens. Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent. 4 O-Rings Around body and the seal effect is great. Making it can work properly when you diving,ultra-deep trench structure design, Skid-proof effect is excellent when diving. Most important, the flashlight is a driving flashlight. Waterproof up to 100 meters submerged, specially designed for diving. The body of this flashlight is built of aircraft-grade aluminum alloy, and it has a very solid construction, Hard-Anodized finish, Anti-abrasive, free-scratch, shock-proof.