... 90v-260v broad voltage Multimedia central control system P2000A1.Full Nail Sticking technique,which ... mixing magnify function.7. solidify hundreds of projector control code, choose through DIP switch, no need ... Funtion of control computer turn on/off, and could set to be “system start” and “system end” ... open the door of rostrum, the central control will open automatically, when close the rostrum, ...