Description: board works for the 30-pin LCD. It comes in the standby when there is no input signal. The board can be adjusted (backlight brightness). High-definition universal LCD driver board with clear display. Fine , no tailing, no sticking. Support screen size: 10 inch to 17.3 inch LCD screen. Specifications: Product name: Controller board Color: Green Material: PC + metal Insulation material: Organic resin Input voltage: DC 12V/2A-4A Input interface: HD 1.4 universal Output interface: Headphone audio output, 3.5mm Button control: 5-Button control with LED indicator Support resolution: 1920X1200, 1920X1080, 1366X768 Support refresh rate: 1080P 720P 60hz, 59hz 30hz 25hz Size: About 7.5 * 5.5 * 1.6cm Package Included: 1 pcs * Controller board 1 pcs * Screen line 1 pcs * Key Board 1 pcs * Cable Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.