portable transmitter single channel, water proof 220V/110V, 315MHz Portable transmitterSingle channel,Water proofSuitable for roller shutter,roller door,Awning,screen,blind and so onWorking voltage: 220V, 50Hz and 110V, 60HzWorking temperature range: -20 to +70 centiguradeWorking frequency: 315MHz portable transmitter for garage door
