Before buying an HD LED display, we have to consider one of key point of HD LED display:A thinner design, or a thicker design for an LED display.A thinner design means that a thinner material.A thicker design means that a thicker material.If you need

When you open a door of a HD LED display, you will see one power supplier.Please study the power supplier carefully, are they 220Voltage 5V 60A, or 220Voltage 5V 40A?Which is better?5V 60A or 5V 40A?In the market, there are 12 kinds of power supplier