Itead SONOFF DualR3 Smart Wifi Switch 2 Way Control DIY MINI Switch Power Metering 2 Gang Voice Control Via Alexa Google Home SONOFF DUALR3 takes 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 wirele remote control with mobile devices or voice command. Unifying your home appliances into an integrated wirele 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.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. The double relay switch module distributes the load to two inputs compared to the simple relay, which this working mechanism lets you have two-way control for two devices independently. DIY Your Automated Motorized Facilitie DualR3 can operate as a smart control module for 100-240V AC motor. Like tubular motor for bi-directional motorized curtain, blinds,roller shutter, awning, ect.Note: DUALR3 is applicable to four wires(GND, neutral, Forward, and Reverse) AC motors, like tubular motors. Creating an Astomsphere, Actually Simple DUALR3 works with other SONOFF products like L1. Just tell Siri and it wil automatically close the curtain for you to create a romantic atomosphere.Note: Siri voice control is a shortcut of Siri in eWelink, DUALR3 does not support Homekit temporarily. Keep Your Appliances always Be On-Meter Mode DUALR3 has a special working mode called meter mode. In this mode, the electrical appliance loads of DUALR3 will always remain on, the relay state will not be changed by APP or external switches, Only focusing on power monitoring and metering! Schedule to Open and Close for Comfortable Life Want to be awakened with the first ray of sunlight in the morining or adjust the percentage of curtain opening to avoid the light ruins you furniture? DUALR3 can help you easily realize, just connect it with your motorized curtain to enjoy your smart life. Multiple Control Method DualR3 and DualR3 Lite can be used as eWeLink-Remote gateways, both R5 and S-MATE can act as remote controllers, and they can be controlled locally through eWeLink-Remote signals by creating smart scenes. Power Metering Helps You to Save on Electricity Bill Want to turn off in schedule to save electricity bills?Want to check the real-time power of the appliances?Want to view historical consumption?Now you can enjoy two independent channels with power metering in all of three working modes! Double Two-Way Control of Light To control the lights via downstair or upstairs switch? DUALR3 helps you! The working mechanism of DUALR3 allows you to achieve two-way control for two appliances respectively. Specification: Power Supply: 100-240V ACMax Current: 15A(total),10A(1 gang)Max Power: 3300W(total) / 2200W(1 gang)Product Dimensions: 54*49*24mmColor: WhiteFrequency: 802.11 b/g/nSecurity Mechanism: WPA-PSK/WPA2-PSKHumidity: 5%-95%RH, Non-condensingEnclosure Material: Fire-retardant ABS V0Operating Temperature: -10C-40CGang: 2