Radio remote controller Energy-saving transmitter RoHs,TUV,CCC,CE,CB Portable remote controller Long distance control Control Systems switch usde for roller ... shutter,awning ,garage door,hurricane shutterAutomatic window and door remote control set Receiver and transmitter series Working voltage: 220V, ... 20 to +70Working frequency: 315MHz Saveing energy design Remote control for Garage Door and Awning