The clear sound activated 3 way modular kit includes one innovative clear two-output inverter integrated with sound activated module and one PCI On/Off/Sound switch and sensitivity adjustable knob. This can be used for all Logisys cold cathode lamps - 4", 12" and 15" (or other CCFL with two pin connection in three pin housing - see second image)Specifications:Input Voltage: DC 12 Volt.Input Current: 700mAInput Connector: Molex 4pin connector with pass-through.Output Connector: 2 Output socket for dual 4", 12" or 15" cold cathode lights. Inverter: Sound control activation, sensitivity adjustable, with on/off switch to override sound control feature.