... by high strength ABS, rust prevention, corrosion prevention, indeformable.7. wind scale>= 0.5.8. banishment range: diameter 3.3m.9. adaptive ... effect good characteristic. Under natural wind's moving, the wind action on the wind bowl, causes three wind bowls to circle the main ... to the bird frightens the function; Meanwhile, in the wind bowl's reflection specular reflection sunlight or bird own phantom ...