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
Before buying an outdoor LED display, we need to know how to do LED display quality control.There are 62 key points about LED display quality control.I would like to share with you as below:1, Mask quality.2, PCB quality.3, LED quality.4, Iron cabine