... 90v-260v broad voltage Multimedia central control system P2000A1.Full Nail Sticking technique,which is ... Auto linkage, one button turn on/off,“system start”and“system end”could link to Projector,screen,and ... /off, and could set to be “system start” and “system end” linkage in the computer11.Suit for ... cut off when System end, safe and convenient.14.Two line controller of Hi-fi digital electronic volume, ...