1.Hand-protect function. 2.Motorized,manual, RF remote control; 3.RS232, RS485 control. 4.screen ... 17”, 19”, 21”, other size can be customized. Function:1. Motorized control, Flexibility, stability, waterproof and dust proof;2. The screen ... °. Can be stopped at any position in this range;3. Motorized type, manual control or RF remote control is available; With ...