Pentair IntelliBrite® 640130 5G Underwater LED Spa Light with 30' Cord 12V 18W. IntelliBrite 5G automated color-changing pool and spa lights feature LED technology; the wave of the future in energy efficiency, lifetime value, quality of light, and controllability. With IntelliBrite 5G lights, combinations of individual colored LEDs are mixed and matched to achieve a vibrant spectrum of colors. These combinations are power sequenced to illuminate and cycle through colors at varying speeds, and in different sequences of color. Combined with a custom reflector and unique lens design, the IntelliBrite 5G lights offers super efficiency while being the brightest yet most energy efficient underwater LED light available.