Huidu HD-W04 WiFi Singles colour LED digital scrolling display Board controller card single color Range. = 768 ×64 Pixels. Output = 4-HUB12. Memory = 1M byte. Communication. = Wi-Fi Only. Scan = Static - 1/4 scan. Programs = Max 1000 Programs, Can play by time section. Regions = Max 20 regions,support regions overlap Content = Text/Timing. Control = Can play by time section. Effects. = More then 40 effects and, shape border. Voltage 4.2V to 5.4V. Power Consumption <3Watt.