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SONOFF
Switch
SON-0001
Up to 10A / 2200W (220–240V AC)
Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n)
eWeLink app for remote ON/OFF control, timers, and scenes
Compatible with Amazon Alexa and Google Assistant
Supports pulse, inching, edge, and follow modes for flexible control
Link with other SONOFF devices and sensors for automation
Compact in-line module suitable for junction boxes or enclosures
Flame-retardant PC housing with overload protection
Lighting circuits, fans, pumps, heaters, and general appliance automation
relay, smart switch, wifi switch
Local testing & RMA coverage
Talk to an engineer in under 5 min
Swap devices that fall short, no fees
What teams learn before rolling out SONOFF | Basic R4.
The SONOFF BASIC R4 Smart Switch is a compact Wi-Fi relay designed to turn ordinary appliances and lighting circuits into smart ones. Featuring upgraded performance, flexible trigger modes, and advanced eWeLink support, it allows remote control, scheduling, and automation—no hub required.
Example use
Install the BASIC R4 inline with a lighting circuit to control it remotely, schedule automatic on/off times, or integrate it into smart scenes triggered by sensors or schedules.