This is Pentair Amerlite's Pool Light with 120V, 500W, 50' Cord, and a Stainless Steel Face Ring.
Amerlite, the world standard of reliability for underwater lights, features a stainless steel shell, a 8-3/8 in. prismatic tempered glass lens, and a stainless steel face ring with a uni-tension clamp. Amerlites are UL listed to install in full-sized Pentair Pool Products, American, PacFab, and Purex niches.
Note: The Color Splash product line will fit all Pentair and American Products Amerlite housings. American Products part numbers are obsolete, however, if there is an American Products label or writing it is compatible with Pentair light parts.