This is the UK Underwater Kinetics C8 eLED (L2) 400 Lumens Scuba Diving Features: High intensity 6-watt twin LED module with propriety conductive cooling element shines 40% brighter underwater Unique optical design unites two high intensity LEDs into one beam with twice the intensity eLED circuitry insures constant brightness throughout the battery life Switch between full and half power to extend battery life Proudly made in the USA UK's C8 eLED waterproof light is the world's most popular primary light. Many divers would not consider going underwater without the power of its bright, long-lasting beam. Its shock absorbent bezel and tough ABS construction provide the ultimate in durability. It's equipped with dual LED lamps for bright light on every dive.