"The OceanLED X4 Underwater Light is a compact, surface-mounted underwater light solution, ideal for smaller leisure marine boats up to 30' long. Capable of producing up to 1,150 fixture lumens and fitted with our signature optics, the small footprint and big performance of this super-durable light make it the first choice for thousands of boat owners around the world. On top of all that, it's suitable for above and below water use. Constructed using Grilamid, due to its incredibly robust composition, the X4 underwater boat light from OceanLED boasts an industry-leading IP69k certification for water ingress protection, making it one of the most reliable underwater lights in the world. Easy to install with a single .5"" hole, the single-wire interface creates a true plug-and-play light. Minimum/maximum voltage: 9-32V DC. 5.4""L x 2.91""W. Mfrs. warranty. A compact, surface-mounted underwater light solution Ideal for smaller leisure marine boats up to 30' long Up to 1,150 fixture lumens Made with ultra-strong Grilamid IP69k water-protection certified Above and below water use Easy installation"