Wurkkos DL70 Scuba Diving High Bright Double 26650 5000mah Battery 13000lm IPX8 Waterproof Underwater Dive LED Light 4*XHP50B 4 Modes

Emitter: 4x XHP50.2 (3V) Reflector: Quad smooth reflector Driver: Buckdriver Low standby drain: 60µA Operating voltage: 5.6V – 8.4V Battery options: 2 x 26650 5000mah li-ion battery (not compatible with 18650/21700 batteries) Dimension: 209mm (length) x 60mm (head diameter) Weight: 395 grams (without batteries) Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification type III, anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange. Toughened mineral glass lens Double spring with gold plating for optimum electrical conductivity and low resistance Water resistance i.a.w. IPX-8 (up to 100m under water) Mode Memory: memorizes the last brightness level Reverse polarity protection to protect against improper battery installation Low voltage warning: When the battery voltage is low, the LEDs will start to flash quickly twice every minute as a reminder to replace batteries Advanced Temperature Regulation (ATR) technology: ATR will reduce the brightness level automatically when the driver temperature reaches 55°C to prevent overheating.