ITEM NAME:10-48 Inch LED TV Backlight Constant Current Driver Board 18V-88V Output Description: LED LCD TV Constant Current Backlight Inverter Driver Board Boost Step-Up Module. Suitable for 10-48 inch LCD TV, universal for all brands and models. Input Voltage: 11-36V; Output Voltage: 18-88V; Default Output Current: 300mA (20-1000mA adjustable) Connect the marked resistor soldering spot to increase the current accordingly. The output voltage is 18V-88V, no need to change it manually, the board will automatically match the best voltage. Specification: Size: 85x45x10mm / 3.35x1.77x0.39inch Package Includes: 1 Piece LED TV Constant Current Board Note: Please allow slightly measuring deviation due to manual measurement..LED LCD TV Constant Current Backlight Inverter Driver Board Boost Step-Up Module. 1 Piece LED TV Constant Current Board.