stand alone lighting system. will run 6 cool white with 6 royal blue cree xre leds then 3-4 royal blues for a sunrise sunset effect. what i like is the fact that leds should be good for 10 years plus w/o replacing "bulbs" will save a ton of money in the long run. also with a potentiometer i can change the look of the tank at any time if i want a 20k look or a 6.5k look all it takes is a twist of a knob. more than willing to help ya out after i get my setup done shouldnt be too hard as i come a pc repair tech backround.....i can tear apart a laptop and put back together in about 30 min with solder work lol