All aluminum version of the heat dissipation wall hanging outdoor digital signs, aluminum heat dissipation, no manual maintenance, it is ultra-thin and ultra-light, save you freight, no fan, ultra-quiet, thickness of only 10CM, 55 inches weight 65KG, high light 2000-5000 nits, glass temperature -40℃ and 70℃ normal work, IP65 waterproof, Support WIFI, Internet, 4G, remote software operation screen change content, support Android and windows systems, can be customized a variety of sizes, automatically adjust the brightness in the sun, power 42W-170w, wide voltage 100v-265V, low power consumption, you can easily manage the screen.