Fangrui Product Details Fangrui Product Details Fangrui Product Details With A New Imported Lamp Beads, Better Brightness, Color Temperature Correction. The New Program Led Constant Current Step-up Board, Supports 12-30v Wide Voltage Input. 3 1 Groups Are Free To Crop! 15-24 Inch Universal Versatile. Adjustable Brightness. Driver Board Size:7x2cm Input:dc 12-30v Led Strip Size:355x4mm Colour:blue Material:fiberglass Panels Installation: If Your Monitor Is Using A Inverter, Then This Kit The Inveter To Plug Into The Driver Board ; If Your Monitor Is A High-voltage Integrated Power Supply Board, Then: The Board Energized, Find 12v (capacitance), And Then Unplug The Power Supply,use A Multimeter To Find And 12v (capacitance) Disconnect Original Connecting The Negative Terminal, The Board Received Three Line: 12v, On, Gnd, The 12v Of The Inverter Connect With 12v Positive Electrode Of Hign-voltage Intergrated Power Supply Board,gnd Is Connected With The Negative Electrode, On Connect With The On / Off. In Simple Terms, Tthe Original High Voltage Power Supply Is Disconne