IP68 Waterproof - This LED pool light is made of high quality ABS to resist corrosion, never crack, dissipate heat quickly and ensure high light transmission. IP68 waterproof with internal seal ensures that it can be used underwater for a long time without leakage. IP68 Waterproof - 18W actual power, 1440lm luminous flux, 120° beam angle, dimensions diameter Ø176mm x H93mm. Consumes up to 92% less energy than traditional 300W halogen lamps and lasts 10X longer. Easy Replacement - Universal size, compatible with most PAR56 housings/niches except small SPA devices, ideal for replacing 300W halogen lamps in common niches. Suitable for chlorine and salt water pools. Maximum Safety Voltage - 12V low voltage output ensures the safety of underwater lights. When testing and installing, please make sure to provide the 12V AC/DC transformer required for proper operation. (Excluding transformer and pre-assembled niche) Reliable Quality - CE, RoHS, FCC, EMC, LVD, IP68 certification.