... 1.Hand-protect function. 2.Motorized,manual, RF remote control; 3.RS232, RS485 control. 4.screen brand: Samsung Introduction:LCD flip device ... '', 21'', other size can be customized. Function:1. Electric control, Flexibility, stability, waterproof and dust proof;2. The screen can ... operation for any user to control;5. This LCD flip up device can be used with conference table& computer desk together.