20000 Lumen Flashlight Led Cree Xpg2-s2 5 Mode Diver Diving Camping Waterproof Torch Light Lamp for Outdoor Sports with Two Rechargeable 18650 Battery Extream Bright - 20000 lumens ,with Three Brightness Modes with strobe: 20000/8500/1400lux, SOS Function. Magnetic USB wire charging and it is used as the mobile power bank. Made of bulletproof PC. Explosion-proof and impact-resistance. Professionally water-proof design which enables it is approved by IP68 tested underwater 50 meters. Wide Using Range:Family lighting, Climbing, Camping, Fishery, Cycling, Night fishing, Viving. Also a variety of lenses for different lighting purposes.