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 method. 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 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:As shown Material:PC+Metal Package Contents: 3 x LCD TV Driver Board 3 x 20cm 5-Pin Wire 3 x 10cm 2-Pin Wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.