The SONOFF DUALR3 Dual Relay Smart Switch is a two-channel Wi-Fi module that fits behind your wall switch and enables full smart control, real-time energy monitoring, and two-way wall-switch compatibility. Whether driving lights, fans, curtains, or appliances, it supports app, voice, and manual switch control with high flexibility.
Relays & SwitchesSONOFF
SONOFF | DUALR3 Dual Relay Two Way Power Metering Smart Switch
Cost
USD 13.00
Low stockOnly a few kits remain — reserve yours today.
Shipping & SLA
Dispatch in 24h with global tracking
Certified installers in 40+ cities.
Project fit
Perfect for relays & switches rollouts
Matter + open protocols ready.
Brand
SONOFF
Category
Switch
SKU
SON-0003
Channels
Dual-relay control — two independent outputs for separate appliances or loads.
Max load (resistive)
2200 W / 10 A per gang, 3300 W / 15 A total.
Modes
Switch mode (standard), Motor mode (for blinds/curtains), Meter mode (real-time…
Two-way wall switch support
Compatible with rocker, momentary, SPDT switches for manual physical control alo…
Connectivity
Wi-Fi 802.11 b/g/n (2.4 GHz) for remote control via the eWeLink app; voice contr…
Dimensions
54 × 49 × 24 mm — compact for hidden installation.
Use cases
Ideal for managing dual circuits (e.g., living room lights + curtains), motorize…
Tags
energy, meter, switch
Vendor: SONOFFCategory: Relays & SwitchesSKU: SON-0003
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2-year reliability
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Deployment brief
What teams learn before rolling out SONOFF | DUALR3 Dual Relay Two Way Power Metering Smart Switch.