Shelly 4Pro can connect to any Wi-Fi network or operate as an Access Point.
Control any electrical appliance at home via your smartphone or tablet, no matter where you are.
Compatible with Android, iOS, Amazon Alexa and Google Assistant. Control your appliance via voice.
Wide range of voltage support
Control any electrical equipment up to 10A per channel and a wide range of home appliances and office equipment.
Automatically follow the sun and turn Shelly 4Pro ON/OFF based on sunrise and sunset hours.
Create custom daily schedules for your devices.
Shelly 4 Pro and automatically shut the electricity down when a overpower is detected.
Precise monitoring of your appliance's power consumption with an integrated power meter for each channel.
Why Shelly 4Pro
Consumption history, anytime, anywhere.
With Shelly 4 PRO you can monitor the status and history, as well as the current and past electrical power consumption for the day, week, month or year.
Follow The Sun
Automatically follow the sun and control your appliances accordingly. Set Shelly 4 PRO to turn on/off based on the sunrise and sunset hours.
Use with any appliance
Control 4 Channels up to 9,2 KW with Shelly 4 Pro. The relay is compatible with all major international voltage standards and you can manage a wide range of home appliances and office equipment.
Multifunctional & low-cost device for newly built homes
Shelly 4 Pro allows you to use 20% less cables compared to standard cabling and makes your home smart for 1 Euro per square meter. Shelly 4 Pro allows you to use 20% fewer cables compared to standard cabling and makes your home smart for 1 Euro per square meter. Built-in the breaker box, Shelly 4 Pro is a part of the electrical installation of the new home even before its completion.
Each Shelly 4 Pro relay can control 4 electricity chains. If placed in your home breaker box, it can control lights, heating, switches, sockets, etc. in the room. With just a few Shelly 4 Pro relays you can control and monitor the consumption of each electrical device in your home.
Shelly 4 Pro has an integrated power meter for each channel. You can measure the energy consumption of the equipment controlled by the Shelly 4 Pro and automatically shut the electricity down when a overpower is detected.
Are you about to watch a movie, all set up on the sofa? Or you are going to bed and need to switch off all the lights? To avoid this, install Shelly 4Pro, and control your lights via your smartphone, or with your voice. You can control up to 4 electricity circuits.
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.
Shelly devices are compatible with Alexa, Google Home, Android, and iOS. With the voice assistants, you can command Shelly 4Pro with your voice without having a smartphone around.
“Ok, Google, turn on the Аir Conditioner”
“Alexa, turn off the Lamp”
“Ok, Google, turn on the Аir Conditioner”
Shelly 4 Pro can be accessed from anywhere in the world. After installing and connecting it to a Wi-Fi network with internet access, download and install the Shelly Cloud mobile application (for Android or iOS), connect all your Shelly 4 Pro relays to your account and create scenarios with just a few clicks.
Control any electrical device in your home without the need for a controller. Shelly 4 Pro connects with your home Wi-Fi, then with Shelly Cloud. From the Cloud you can manage and operate the device from anywhere in the world.
3 Connection modes/ No controller, no problem
Access Point Mode
You can set up and control any device by simply connecting your smart phone to Shelly 4 Pro and open the Shelly 4 Pro control page on the WEB server, embedded in the relay.
Connect Shelly 4 Pro to your local Wi-Fi network in order to control any electrical device at home. You can control up to 65000 Shelly 4 Pro relays in a Wi-Fi network, therefore many more appliances through the WiFi-operated relays.