The TITAN Series from Spa Electrics is the only 1.5” nicheless light you’ll need. Designed from the ground‑up to fit perfectly into 1.5” threaded pipe fittings. MULTI PLUS – RGBW & Pool Controller Compatible and 3 Year Manufacturers Warranty. Designed for Concrete, Fiberglass and Vinyl pools. Featuring a titanium heat sink, quick connect plug system, IPX8 waterproof rating, and innovative curly cable design.