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The SONOFF WiFi Smart Curtain Switch DUALR3 is a compact, TUV-certified dual relay device designed for smart control of curtains, blinds, and roller shutters. It features real-time power metering for energy management, supports two-way external switch control with multiple detection modes, and integrates seamlessly with Alexa and Google Assistant for voice commands. Ideal for DIY smart home enthusiasts seeking efficient, safe, and flexible automation.





| ASIN | B091HYC35J |
| Best Sellers Rank | #44,183 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #239 in Home Automation Devices |
| Item model number | DUALR3 |
| Manufacturer | Sonoff |
| Product Dimensions | 7.62 x 5.08 x 2.54 cm; 50 g |
E**N
Otimo custo beneficio
D**L
Excelente producto
G**H
One of the few dual switch in the market that can be connected to existing curtain manual switches such as Norisys and at the same time to wifi for automation with Alexa providing full Alexa functionality. The motor auto calibrates and then Alexa Voice command can have blinds Open in percentage terms eg 30%, 70% etc. After returning 2 other brand switches finally got this feature running on Sonoff! Super cool. Blinds can now be automated to open on sunrise, close partially at sunset and completely close at given time. Dismissing Alexa alarm in morning can be automated to have the blinds open 50% for gentle sunlight waking up. Works great!
L**O
Me gusto la facilidad para instalar y manejar el interruptor Funciona muy bien para manejar la Cortina Anticiclónica
D**G
Works well for multiway switching where you cant just replace the switches with smart switches. Slightly too big to fit inside a ceiling rose so had to use a cowl and fit up inside the ceiling space. Integrates nicely with home assistant and as it two channel it can independently operate both our hallway lights from HA whilst also able to turn both on and off from wall switch. This will only work on 2.4ghz wifi so if you have band steering, you might see an issue. Do yourself a favour and make an IoT only wifi SSID and lock it to 2.4ghz if you can.
Trustpilot
3 weeks ago
3 weeks ago