SONOFF DUALR3 Lite Dual Relay switch Two Way control Smart wifi Switch with Power Metering support EWeLink Alexa Google Home SONOFF DUALR3 DIY WiFi Switch Power Meter smart Switch DUAL R3 Via eWeLink Alexa Google Home 2 Gang dual relay switch module Description: SONOFF DUALR3takes your home to the next level. DUALR3 is a flush-mounted Wi-Fi smart dual relay switch module that is installed behind any standard switch to transfer it into a smart switch for wireless remote control with mobile devices or voice command. Unifying your home appliances into an integrated wireless network to make them communicate with one another which is convenient for you to manage and control, including lights, home appliances and motorized facilities like roller shutters, window shades, blinds, awning, etc. It’s TUV certified that provides a reliable quantity and advanced safety, without having to worry about the potential risk of fire and overheat. Three working modes available.DUALR3 comes with switch mode, motor mode and meter mode. One of the typical features is roller shutter and window shades smart control in the motor mode. The switch module offers the ultimate flexibility for your roller shutter and window shades by app remote control and scheduling timed events no matter whether you are home or away.Double two-way control.