SONOFF DUALR3/DUALR3 Lite Dual Relay Two Way Power Metering Smart Switch
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【Motor Mode – Smart Roller Shades & Curtain Motor Control】Easily upgrade your electric curtains, blinds, or roller shades into smart devices. Use app, voice, or automation to control your window coverings remotely—perfect for modern smart homes.
【Switch Mode – Dual-Channel Smart Load Control】Control two electrical appliances independently with one device. Ideal for remotely managing lights, ceiling fans, coffee makers, and more via app, voice command, or automation. Perfect for building a flexible smart home control system.
【Dual-Channel Power Metering – Track Energy Usage】Each channel independently measures voltage, current, and power consumption, helping you manage and optimize energy usage. (Note: Not available in DUALR3 Lite)
【Two-Way Wall Switch Control – Flexible & Compatible】DUALR3 supports 6 types of external switch detection (e.g., rocker, momentary, SPDT), making it compatible with most traditional wall switches. Maintain manual wall switch control while upgrading to smart functionality.
【Certified Safety & Reliability】Built with safety in mind—certified by TÜV, CE, FCC, and RoHS standards. It delivers stable performance and peace of mind.
Technical details, troubleshooting or setup tips? Access the DUALR3 knowledge center/DUALR3 Lite knowledge center for all the info you need.
Specs & User Manual
SONOFF DUALR3/DUALR3 Lite is a dual-channel smart switch designed for flexible home automation. Use Motor Mode to smartly control motorized curtains or blinds, or Switch Mode to independently manage two appliances. DUALR3 also features real-time power metering per channel, helping track energy usage; compatible with various wall switches (e.g., rocker, momentary, SPDT). Certified by TÜV, CE, FCC and RoHS standards for enhanced safety and reliability.
User Manual (PDF)DUALR3/DUALR3 Lite
3300W/15A/Total, 2200W/10A/Gang
10-240W/1A
3300W(total) / 2200W(1 gang)
54*49*24mm
White
802.11 b/g/n
WPA-PSK/WPA2-PSK
5%-95%RH, Non-condensing
Fire-retardant PC V0
-10ºC-40ºC
Dual
TUV, CE, FCC