Shelly 1 Wi-Fi Relay Switch




The smallest, smartest and most powerful Wi-Fi switch available.

Shelly 1
Shelly Wi-Fi
No HUB required – Connect Shelly 1 directly to your Wi-Fi router.
Shelly - Control remotely
Control remotely

Control lighting and appliances at home, no matter where you are in the World.

Shelly 1 - Highly compatible​
Highly compatible
Control with your voice. Compatible with Amazon Alexa and Google Assistant.
Wide range of voltage support

Shelly 1 supports low voltage 12/24-60V DC as well 240V AC and “dry contact” options.

Sunrise/Sunset schedules
Shelly 1 can automatically follow the sunrise and sunset and control your lighting accordingly.
Custom schedules
Choose a time and set your lighting to turn on/off precisely when you want it to.
Rest API
Use our REST API to connect Shelly 1 to your existing home automation system.
Go Live Support
Easily make your Arduino project live and usable in your automation project.
Shelly 1 - Small


Intelligently designed to fit in small spaces and behind wall switches. Shelly 1 is smaller than two cookies stacked together.

Appliance control.

Shelly 1 works with a wide range of AC and DC power so you can control a wide range of devices and appliances.

Lighting control.

Shelly 1 makes it easy to turn any lighting into smart lighting… and maintain wall switch control.
Shelly 1 - Lighting

Shelly 1 - Garage Door

Garage door control.

Shelly 1 can work as a 12V and 24-60V DC “dry contact” relay, which allows it to control garage door and gate motors.

Door strike control.

Shelly 1 can control door-strikes… making it easy to remotely control access to your home or business.
Shelly 1 - Door Strike

Shelly 1 - Sprinkler

Irrigation control.

Connect to solenoids and automate your garden sprinklers. Shelly 1 can also follow the sun and water your garden after sunset to avoid getting your plants burnt.

App Control.

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 1 - App Control

Voice control.

Shelly devices are fully compatible with Amazon Alexa and Google Home.
“Hey Google, turn off the bedroom light.”
“Alexa, open the garage door.”

Flexible control.

Shelly Wi-Fi devices can work without a hub… but they are also compatible with…

Full control.

Shelly 1 is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.
Shelly - Developers

The finer details


Power supply AC: 110-230V ±10%, 50/60Hz
Power supply DC: 12V, 24 – 60V
Maximum load: Standard version – 16A / UL version – 15A
Device power consumption: < 1 W

Special functions

Dry contacts: Yes
Roller shutter mode: No
Device temperature protection: No
Overload protection: No
Power measurement: No
Working without a neutral wire: No


Control channels: 1 On/Off Relay Channel
Operational temperature: 0°C to + 40°C
Intelligent On/Off: Yes
Local and smart control: Yes
Sunrise/Sunset timer: Yes
Built-in weekly scheduler: Yes


Wi-Fi protocol: 802.11 b/g/n
Radio frequency: 2400 – 2500 MHz
Radio signal power: 1mW
Wireless range: up to 50 m outdoors and up to 30 m indoors (depending on the building materials)


Size: 41mm x 36mm x 17mm

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