This is a controller kit for 27’ LM270WQ1-LM270WQ1-SDA1/SDA2/SDC2/SDB1. The controller board is with VGA, HDMI-compatible input port. Please make sure the LCD model number is the original. Some sticker of the model number is wrong, in this case, it will be best for you to take some pictures of the LVDs cable and the backlight cable. So that the engineer make sure about it, and send you the right kit. Output signal: ( MAX ) 2560X1440 Power adapter input: 12V, 5A - 8A