... accord with the area, the system can use one motor, two motors or four motors. 3: use the ... can insure running is in-phase. 4: the canopy pole is flexible, can support the fabric to not fall ... fabric min is 0.65meter, max area is 25 square meter.Control methods:1: ASK , INF transmitter or ... clock, light, wind.4: can realized one motor control or more motor control Used location:Used for family, hotel , ...