Product description: ultra-high brightness automatically adjust, strong light is still clearly visible over a long distance, high show color uniformity, screen more delicate; Die-cast aluminum cabinet installed high flatness, the top and sides hidden handle, the alignment slot, positioning pin design, around the enclosure with article light-leaking, let the extreme precision flat-fell seam, seamless; Use a variety of scanning, modular design, reliability, stability, higher. Power supply, aviation plug dual backup system card, with double channels signal input, automatic detection of signal integrity, in the power supply fails, all the way the other signal automatic intervention, all the way to guarantee the normal work of the LED display