... 1.flip down screen. 2.Motorized,manual, RF remote control; 3.RS232, RS485 control. 4.screen brand: Samsung Introduction:Flip down screen is designed ... Motorized control, Flexibility, stability, waterproof and dust proof;2. The screen can be rotated from 0-105 degrees. Can be stopped ... in this range;3. Motorized type, manual control or RF remote control is available; With RS232, RS485 connectors, can be ...