Romote control transmitter,switch 120 to 230V CE,CB,CCC,TUV,Rohs,UL Portable remote controller Long distance control Transmitter Series Specification:Suitable for rolling door,garage door,roller door,roller shutter,awning,screen,curtain,rolling shutterWorking voltage: 220V, 50Hz and 110V, 60Hz Working temperature range: -20 to +70 centigurade Working frequency: 315MHzSaving energy design Artistic Surface Design