... 485 ctrl Conference System Motorized LCD Lift / LCD Monitor Lift INTRODUCTIONMonitor lift is a kind of advanced hidden ... with manual control, remote control, RS232/485 central control.3.Monitor lift can lift up/down separately, grouply or ... 50sSteeving Angle≤15°Operation Noise≤25dbControl ModeManual, remote, RS232/485 central controlAccessoriesVGA cable, power cable, remote controller, screws, stators ...