Shelly D2 WiFi Dimmer



Control a wide range of halogen lights, dimmable LED, and ferromagnetic transformers from anywhere with the smallest WiFi-operated dimmer in the world – Shelly Dimmer 2 can also work without a neutral wire and connects to your wall switch so you maintain manual control.

SHELLY Dimmer 2.

Set the perfect mood.
Shelly Dimmer 2
Shelly Wi-Fi

No HUB required – Connect Shelly Dimmer 2 directly to your Wi-Fi router.

Shelly - Control remotely
Control remotely

Control your dimmable lighting 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 Dimmer 2 works with virtually any dimmable lighting – including LEDs.

Sunrise/Sunset schedules

Shelly 2.5 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.
Shelly 1PM - Overheat Protetion
Overheating protection
Internal temperature sensor for overheating protection with automatic cut-off.
Shelly Dimmer 2 - Dimming
On/off and dimming
Turn on/off or use the dimming function to set your lights to your preference.
Shelly Dimmer 2 - Small


Intelligently designed to fit in small spaces and behind wall switches. Shelly Dimmer 2 is smaller than two cookies stacked together.

Dimmable control.

Shelly Dimmer 2 makes it easy to turn any lighting into smart, dimmable lighting… and maintain wall switch control.

Shelly 1 - Lighting

Shelly Dimmer 2 - Mood

Set the mood.

Depending on your activities and time of day, you need different types of light and luminosity. With Shelly Dimmer 2, you can adjust the appropriate lighting level best suited for reading, watching TV, having dinner or just to relax.

Any bulb.

Shelly Dimmer 2 can be used with virtually any dimmable bulbs. From halogen and incandescent lights to dimmable LEDs.

Shelly Dimmer 2 - Bulbs

Follow the sun.

Automatically follow the sunrise and sunset, and control your lighting accordingly. Shelly Dimmer 2 can gradually amplify lights in the morning and decrease them as night time gets closer.

Power monitoring.

Know your spend – Shelly Dimmer 2 will precisely monitor and measure the connected lights power consumption.

Overload protection.

If Shelly Dimmer 2 detects the internal temperature or attached power consumption is too high – it will turn off automatically.

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 on the loungeroom light.”
“Alexa, turn off the theater projector.”

Flexible control.

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

Full control.

Shelly 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: None
Supported load: 10-220W
Device power consumption: < 1 W

Special functions

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


Control channels: 1 dimmable 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: 42mm x 36mm x 14mm

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