SONOFF WiFi Smart Curtain Switch with Power Metering TUV Certified, DUALR3 Dual Relay DIY Curtain, Blinds, Roller Shutter,Two Way Smart Switch Work with Alexa&Google Home(2-Pack)

About this item TUV certified and overload protection.Reliable and safe. Automate your motorized appliances, like roller shutters, window shades, etc. Double two-way control of two devices independently. Work with various extra switches, control devices directly via original wall switches. Remotely control home appliances or motorized facilities with the energy monitoring function(Meter mode).