-- Use oil bearing as a centre of rotation, and seal the oil bearing into the stainless steel tube, which make sure the wind cone to work normally under bad environment.
--Stainless steel tube can rotate at 360 degree freely.
--Dismountable windsock and support pole, convenient for transportation and storage.
--Dismantling: a dismantling device on the top of the base, to prevent the damage to the aircraft in case of accident hit to the aircraft.
--Toppling structure design, easy to maintain
--Bearing assembly with a sealing cover, rotating freely and can show wind direction in real time
--Selectable air bag color
--LED light source, with low power consumption and external long life
--Integrated circuit as power drive, reliable operation and convenient maintenance
--Use light, high strength and waterproof cloth as air bag, which is flexible.
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