... 2. with LCD display 3. controller for controlling the wind furling and facing win Controller 1) super wide input voltage range ... current, 10A------50A, ( optional );4) controller includes protection against short-circuit;over -heating ; over-voltage;below-voltage5) controller special for wind power ... RS232, USB (optional )9) with different DC , such as 12V,24V,36V,48V,72V,96V,110V,192V,240V,360V,480V ...