Features: Tip: Because this controller can be suitable for LCD screens with various LCD resolutions, our delivery resolution is EJ070NA01-1024X600, so please contact us with the LCD model or LCD photo before purchasing. Driver board supports USB-5V input, and can use mobile phone charging adapter, charging treasure and USB interface of computer as power supply. 3.5 Headsets is output, so you can use ordinary 3.5 headphones or connect external power amplifiers equipment. Potentiometer adopts waves wheel button, three-in-one function, menu, addition and subtraction, and compound brightness and volumes. The LCD interface is 40PIN TTL interface 3.0 defined by HSD050IDW1-A02, with two-color LED lights. This driver board can support two resolutions, 480x272/800x480, and the backlights output is 9V-10V. Beyond this voltages, it is not supported. Specifications: Component:ABS Size:Approx.90x47cm/35.43x18.5inch Package Includes: 1Pc Driver Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.