Ceiling Fan Regulator Remote Control Switch 1,fan speed control 2,rf receiver 3,CE certificate 4,working distance:>10m ... the fan, and the other three for controlling the fan speed.3 speed control keys: HI, MID, and LOW;Both the transmitter and ... °C~55°CLight load600W(maximum)Relative humidityNon-condensing 20-90%Motor load 100W(maximum)Working distanceRF,≥10mReceiver dimension Radius(60mm)Receiver ...