WindFireCREE XM-L T6 U2 LED 1800Lm 1-Mode Waterproof Scuba Diving Flashlight Underwater Waterproof Submarine Light Lamp Flashlight Torch 18650 Rechargeble Flashlight Torch Light Tactical Diving Lamp Light This torch uses CREE XM-L T6 LED L2, producing bright beam of light can come to above 1800 lumens. The diving flashlight is Waterproof up to 50 meters submerged, specially designed for diving. Power by: 1 x 18650/26650 rechargeable batteries(not included) with hand strap to make a convenient diving. Internal wiring adopts the high efficient booster circuit use the batteries to the largest extent. Hard anodized finish Ultra-deep trench structure with skid-proof effect is excellent when diving.