Introduction: LED high power underwater light is high power water submersible led lighting fixture, which is an ideal fixture for both indoor and outdoor applications requiring full color mixing capabilities, such as fountain, pool, theme park, exhibition, commercial and architectural illuminations. For best heat dissipation, the LED high power underwater light is recommended to be used underwater. This underwater light has a protection rating exceeding IP68, which is suitable for submersion up to 2 meters underwater. A special water proofing technology is used , making water intrusion impossible. The beam angle of it is 25