Flexible Strip Controller Red Green Blue 3 Channel Common Cathode Low Voltage 12 VDC. Use this RGB controller with the flexible RGB light. For synchronized RGB Color effect. Up to 12 feet of flexible RGB lights can be synchronized together. There are no use controlled settings, once power is applied the unit will cycle the colors. There is no connector just loose wire to hookup too. This product will only operate common cathode red green blue products.