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1/20PCS SONOFF DualR3 Lite DIY Smart Switch MINI Wifi Dual Relay Two Way Control Smart Timing Voice for Smart Home Automation
SONOFF DUALR3 Lite takes your home to the next level.
DUALR3 Lite 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.
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 Facilities
DualR3 Lite can operate as a smart control module for 100-240V AC motors. Like tubular motor used in motorized curtains, blinds, roller shutter, awning, etc.

Schedule to Open and Close for Comfortable Life
Want to be awakened with the first ray of sunlight in the morning and control the curtain opening? DualR3 Lite can help you easily realize, just connect it with your motorized curtain to enjoy your smart life.

Creating an Atmosphere, Actually Simple


Double Two-Way Control of Lights
To control the lights via downstair of unstairs switch? DualR3 Lite helps you! The working mechanism of DualR3 allows you to achieve two-way control for two appliances respectively.










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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
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If you can't find the estimated delivery time on the product detail page, you can look at the following table for reference.
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
|---|---|
| United States | 7-25 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Mexico, Central America, South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information, but sometimes due to free shipping tracking is not available.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you’ve specified combined shipping.
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