Coral Compulsion 35w Par38 LED 18k TruColor Full Spectrum Reef Light 16 3watt LEDs running at 2.2 watts each 4 Warm White 3000k : 6 Royal Blue 455nm : 4 Cool Blue 470nm : 2 True Violet 420nm 80 Degree Quad Honeycomb Optics Standard US e26/27 screw in base Covers approx. 20" x 20" spread of light