Sonoff DualR3 Dual Relay Two Way Power Metering Smart Switch

DIY Your Automated Motorized Facilities

DUALR3/DUALR3 Lite can operate as a smart control module for a 100-240V AC motor, like the tubular motor for bi-directional motorized curtains, blinds, roller shutters, awnings, etc.
Note: 1. DUALR3/DUALR3 Lite is applicable to four wires(GND, neutral, Forward, and Reverse) AC motors, like tubular motors.
2. The motor connected to DUALR3 needs a travel limited function, otherwise, it cannot be calibrated. Click this link to learn more.

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/DUALR3 Lite can help you easily realize, just connect it with your motorized curtain to enjoy your smart life

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Creating an Astomsphere, Actually Simple

DUALR3/DUALR3 Lite works with other SONOFF products like L2. 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/DUALR3 Lite does not support Homekit temporarily.

Metering Helps You to Save on Electricity Bills

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 Lights

To control the lights via downstair or upstairs switch? DUALR3/DUALR3 Lite helps you! The working mechanism of DUALR3 allows you to achieve two-way control for two appliances respectively.

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!

Overload Protection

Set the maximum and minimum values of voltage, current and power. Once the appliance is in abnor-mal working state, it will automatically cut off power for safety.

Compatible with Your Existing Various Switch Types

Check out the differences between DUALR3 and DUALR3 Lite: