... ,remote,RS232/485 ctrl Conference System Motorized LCD Lift / LCD Monitor Lift INTRODUCTIONMonitor lift is a kind of advanced hidden equipment ... with manual control, remote control, RS232/485 central control.3.Monitor lift can lift up/down separately, grouply or entirely to ... and sizes are available as well, please inquire.PARAMETERS LCD Monitor Lift Item No.JN-17JN-19JN-22JN-24Panel Dimension490*158 ...