CHARACTER
DIAMETER:120mm,new suction system makes the suction force stronger on smooth surface.Totally new lock system could hold pannels 3mm~10mm.
WARNING
You'd better use it under static situation.If use it when the car is moving,speed is limited within 40km/h(If strong wind,please don't use it).When using it,there cannot be any dust or water on the surface of both suction cup and suction place(It must be smooth).