S40 & S40 LITE


S40 & S40 Lite

SONOFF iPlug Wi-Fi Smart Plug

Lighter and Safer, Make Your Life Smarter
Safe Design · Compact Size · Electricity Statistics

Safety is SONOFF's Mission

Compact Size, Fits Socket in Your Room

Its small and compact body is designed for more space reserved on your wall socket.


Electricity Statistics to Help You Save Money

Find out the run time and consumption of appliances, check historical data by year and month to help you save energy and money in this current energy-tight and expensive situation.

Support Home Assistant and eWeLink LAN Control

Control the appliances connected to SONOFF plug without a server connection, also enables LAN control on Home Assistant through eWeLink add-on.

*S40TPB, S40TPA will be supported in the next version of eWeLink Smart HA Addon.

Count the Power Consumption of All Devices

Support Alexa Energy Dashboard which allows you to track how much electricity your devices consume.


Energy Dashboard Viewing

Check all of your household power consumption, see your weekly and monthly data and compare them to last month and last week, and lightly tap to view daily data. Helping you list the Top 5 consumption devices.

Overload Protection, Guarding Safety

Make your device automatically power off to protect it against overload once the working current reaches 15A.

A New Local Two-way Control Method

Work with wireless remote controller R5 to achieve “Two-way” control.

S40 vs S40 Lite

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