1).It is small in size,high in power,and cost-effective. 2).With input and output connection lines. 3).The input and output voltage can be adjusted by itself. 4).It is suitable for 14-65 inch LED display. It is a LCD TV driver board. This booster board is designed with a wide voltage input and output . The output voltage can be automatically adjusted according to the voltage required by your light bar. The input voltage is based on two connections. It's the way. Parameter: 1).Product Name:LCD TV Driver Board 2).Input Voltage:DC 12V-200V 3).Output Voltage:DC 24V-400V 4).Applicable Display Screen Size:14 inches-65 inches 5).Work Temperature:-25Celsius~85Celsius 6).Work Humidity:5%~95%RH Colour: Material:PC+Metal Package Contents: 1 x LCD TV Driver Board 1 x 20cm 5-Pin Wire 1 x 10cm 2-Pin Wire Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.