ITEM NAME:Smart Home Zigbee Wireless Switch Module For Echo/Smart Things Hub Module U I4Z4 Smart Home Zigbee Wireless Switch Module For Echo/Smart Things Hub Module U I4Z4 Rated current:10A,Working frequency:50/60Hz,Support Smart Things Hub/Wink Hub/Zigbee HA Hub,Wireless frequency:2.412~2.484GHz Function:remote control,timing delay,energy saving,status feedback,Working voltage:AC 85V~265V,Supported smart audio:For Echo Plus/Echo Show2,/Echo dot (requires For Samsung Smart Things APP) (with HA Gateway,all for Echo series are supported.) Working.Rated current:10A,Working frequency:50/60Hz,Support Smart Things Hub/Wink Hub/Zigbee HA Hub,Wireless frequency:2.412~2.484GHz. 1 x Smart Module. Self-power consumption:less than equal 0.3W.