WindFire 4000Lm 3x CREE XM-L T6 LED Waterproof Scuba Diving Flashlight Underwater Submarine Light Lamp Flashlight Torch 18650 Rechargeble Flashlight Torch Light with AC Charger and 2 X WindFire 18650 Rechargeable Batteries for Diving, Swimming This torch uses 3 x CREE XM-L T6 LED, producing very bright beam of light. Output bright can come to above 4000 lumens. Most important, the flashlight is a diving flashlight. Waterproof up to 100 meters submerged, specially designed for diving. Power by: 2 x 18650 Rechargeable batteries(included) with a neck rope to make a convenient diving. Internal wiring adopts the high efficient booster circuit, and can use the batteries to the largest extent. Hard anodized finish,Anti-abrasive, free-scratch, shock-proof. Ultra-deep trench structure with skid-proof effect is excellent when diving.