This 18W underwater LED spotlight is a high-performance, energy-saving replacement for halogen lamps in pools, fountains, ponds, and aquariums. Made from marine-grade 316 stainless steel, it ensures corrosion resistance and impact protection (IK10), while the IP68 rating guarantees safe, long-term submersion. Emitting clear 4000K or 6000K light, it features a friction-welded lens for uniform, glare-free illumination. Supplied with a 2m cable and backed by a 3-year warranty, this spotlight offers durable, low-maintenance lighting for underwater environments. Installation by professionals is required.