... the table, can lift up the monitor by manual, remote or RS232, RS485 control; after use finished, lift down to keep the ... inch corresponding to the LCD monitor;2. Manual, RF remote, RS232, RS485 control;3. Direct factory price;4. Low noise;5. CE ... 20s;7. RS232, RS485, manual and remote control;8. Lift up and down automatically;Three Control Modes1. Manual switchThe panel of the LCD ...