... For 17-24'' LCD monitor 5.Manual,remote,RS232/485 ctrl Conference System Motorized LCD Lift / LCD Monitor Lift INTRODUCTIONMonitor lift is a ... manual control, remote control, RS232/485 central control.3.Monitor lift can lift up/down separately, grouply or entirely to ... cable, power cable, remote controller, screws, stators etc. Conference System Motorized LCD Lift / LCD Monitor Lift