This outdoor LED screen panel are made of all extrusion aluminum. It can be classified to be high-end outdoor led panel.
The patented design is its thermal conduction channel on the back of the cabinet. The design looks like a hollow core slab, which the air could go through the hollow core and take away the heat inside of the led panel. We all know that the high temperature from environment will have great impacts on the aging of the leds. That explains why dimming would show up on every led billboard after years of use.
If the led billboards would be installed in area such as Dubai and Mexico, then this led billboard would be your preferable solution.