Brand New 2711-NL9+DISENA is new LED upgrade kit for 2711-NL9 which is original equip with dual lamps. 2711-NL9+DISENA LED upgrade kit comes with a small, compact LED driver MS610UB (replace old inverter), it could be mount anywhere on the back of LCD screen or on the chassis. To fire up LED backlight, All you need to do it apply +12V (+12V to + 24V DC) to Red wires and Negative (Ground) to Black wires. That’s it. It is easy to install. Anyone can do it!