... EnvironmentTemp:-20°C~60°C, Humidity:10%~90%Dot density62,500pixel/m2Working VoltageAC:100V~120V AC:220~240VPixel ... compactly make the red, green, blue color in one dot, equally distribute at the panel, so make the ... 2. Usually apply for physical sports, advertisement, bank, stock exchange, station, port, marketplace, telecommunication, department, school, monitor, restaurant, entertainment, ...