Measure and control it all!

Shelly EM


No HUB required – Connect Shelly EM directly to your Wi-Fi at home.

Control remotely

Control any electrical appliance at home via your smartphone or tablet, no matter where you are.

Highly compatible

Compatible with Android, iOS. Control your appliance with your voice.

Overconsumption and over energy protection

Shelly EM can automatically turn off the whole circuit if consumption or energy (prepaid energy option) reaches the set limit.

Sunrise/Sunset schedules

Automatically follow the sun and turn Shelly EM ON/OFF based on the sunrise and sunset hours.

Weekly schedules

Create custom daily schedules for your devices.

Overheating protection

Internal temperature sensor for overheating protection.

Dual power metering

Precise, real time monitoring of your appliances power consumption in 2 points simultaneously.

Why Shelly EM

365 day built-in energy history.
We developed Shelly ЕМ to allow you to monitor the status and history, as well as the current and past electrical power consumption for the day, week, month or year.

Control it all

With Shelly EM you can measure how much energy your solar system produces, as well as its power consumption. Control your monthly expenses by saving on money, energy and CO2!

Small size full of functionalities

Intelligently designed to fit in most standard electrical boxes and switches. Shelly EM is smaller than two cookies stacked together.


Countdown timer

No more forgetting to turn appliances off. The integrated countdown timer can automatically switch off your oven after an hour.

Overheating & Overconsumption

Internal temperature sensor for overheating protection. If the PCB temperature goes above a danger level, the device will turn off. The relay will turn off the circuit immediately if it detects a consumption higher than the defined over-power setting.

Detailed info about electricity consumption

With Shelly EM, you can view the quality of your electricity network regarding active power, reactive power, voltage, and power factor. Monitor your facility or home to avoid additional expenses or drastic drops in energy that may damage your appliances and machines.


One application countless possibilities

With the best cloud service in the world, user-friendly interface, scenes, bulk control, and much more, the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly app.


For Developers

Shelly EM comes with a programming/debug header which can be used to flash alternative firmware on the device. It has an ESP8266 inside, with a 2MB flash chip. A USB-to-UART adapter is needed as well as a reliable 3.3V with at least 350 mA drive capability.

Device pinout ›

Visit our REST API for developers ›