BrightNight Waterproof Flashlight 2000 Lumen LED Torch for Scuba Snorkeling Canoeing Fishing Hiking Emergencies Personal Safety Uses the new CREE XHP50 quad chip LED powered by two 26650 Li-Ion 3.7-volt 4000mAh rechargeable batteries; the XHP50 delivers twice the light output of the Cree XM-L2 LED, according to Cree Easy to operate - stepless magnetic switch provides continuous range of brightness levels, from zero to full brightness IP rating: IP68 = dust tight, waterproof to 100 meters. Each one pressure-tested at the factory Solidly built: made from anodized aircraft 6061 aluminum Complete package is a bargain! Flashlight comes with batteries, charger, wrist strap, spare o-rings with silicon lubricant - ready to use!