... ,FCC 2,p6 SMD 3-IN-1 full color indoor display 3, video,image,tex 4,192mm ... 1100W/m²Horizontal Vision140(V) 140(H)Driving Method 1/8 Constant Driving LED ChipSilan/Gree/NichiaOperating SystemWindows98/2000/XP ... .Image switchingVGA SynchronizationMaintencance methodBack maintenanceSoftwareLED general software (MDK)VoltageAC220V/380V±10%,50HzWorking env temperature -20°C ~ 70°CDisplay Mode(Normal) ...