This super bright LED upgrade kits are custom design for industrial 12.1 NEC LCD screen that are originally equipped with its manufactures LED strip or CCFL lamps mounted on one side. By simply swap it out, now you have sunlight readable LCD screen. A wire adapter is included. Just connect your existing LED(or Inverter) wire harness to our LED driver (a wire adapter that can be directly plug-in to the following inverter: NEC 121PW181, TDK CXA-0359 and TDK PCU-P147B). It is easy to install! Anyone can do it!