Aqua Medic Aqua Sun Spot 3 - 3 W 16,000 K, MR16 2 pin base, 2 white/1 blue LEDs. The aquasunsport 3 is a 3x1W 16K, LED spot with 2 white/1 blue LEDs. It comes with a standard MR16 2 pin base.The combination of white (10,000K) and blue LEDs results in a perfect color spectrum for coral reef aquariums. The light efficiency is approx. 90 lumen/watts.