... 1.motorized flip lcd. 2.Motorized,manual, RF remote control; 3.RS232, RS485 control. 4.screen brand: Samsung Introduction:Motorized flip lcd ... 19'', 21'', other size can be customized.Function:1. Motorized control, Flexibility, stability, waterproof and dust proof;2. The screen ... RS232, RS485 connectors, can be central control.4. Very easy operation for any user to control;5. This LCD flip up device ...