Shelly Dimmer2


  • Wi-Fi operated relay with dimming function and no neutral line
  • Supported light types – Incandescent and halogen light sources 1-220W, Dimmable LED 50-200VA/1W – 200W, Resistive-inductive loads ferromagnetic transformers 50-150VA
  • Overload and temperature protection
  • Designed for installation in a limited space, such as wall mounts, electrical control panels, etc.
  • Easy control through the Shelly app and various protocols, platforms, and voice assistants.
  • Has an embedded web server and connects to your Wi-Fi network

Availability: In stock

SKU: Shelly-Dimmer2-1 Categories: ,

Smart Wi-Fi dimmer for all electrical installations

Shelly Dimmer2 is a smart switch unit for luminous intensity adjustment with precise power metering that can fit into all electrical installations. It provides a full set of dimming functionalities and can be used even in houses where the neutral line is missing. Use it to control, dim, and power measure a wide range of halogen lights, dimmable LED, and ferromagnetic transformers between 110-230V ±10%.


  • Wi-Fi Operated – Connect Shelly Dimmer2 to your Wi-Fi network. No HUB required!
  • No neutral required – Shelly Dimmer2 doesn’t require a neutral line to provide a full set of dimming functionalities.
  • Power Monitoring – Shelly Dimmer2 provides precise monitoring of power consumption.
  • Light intensity adjustment – Use the dimming function to set the brightness of your lights to your preference.
  • Smart schedules – Set custom schedules based on your daily agenda or follow the sunrise/sunset and control your lighting accordingly.
  • Smart scenes – Set custom scenes by combining Shelly Dimmer2 with your other Shelly devices.
Weight 1 lbs
Dimensions 4 × 4 × 2 in


Power supply AC 110-230V ±10%, 50/60Hz
Channels 1 Channel
Device temperature protection Yes
Overload protection Yes
Power measurement Yes
Dimming Yes
Dimmable LED 50-200VA / 10W – 200W
Incandescent and halogen light sources 10-220W
Working without a neutral line Yes
Colour changing No
Predefined effects Yes
Operational temperature 0°C to + 35 °C
Device power consumption < 1 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option No
Wireless Yes
Wi-Fi Protocol 802.11 b/g/n
Wi-Fi Radio frequency 2412 – 2484 MHz
Wi-Fi Radio signal power 1mW
Wi-Fi Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 42mm x 36mm x 14 mm


Full compatibility
Shelly devices are compatible with Alexa, Google Home, Android and iOS. With the voice assistant, you can command Shelly Plug Play Product with your voice without having a smartphone around.

Shelly Smart Control
Shelly Smart Control is here! One app to control your spaces, energy, consumption, and expenses!
Customize your dashboards, get detailed consumption reports, and stay on top of your electricity bills.

Use Cases

Brightness that suits your activities
Depending on your activities and the time of day, different types of light and luminosity are suitable. With Shelly Dimmer2, you can adjust the brightness according to your preference and set the most perfect lighting level for reading bedtime stories, watching TV, having dinner, etc. For further customization, use the smart schedules function to set a beginning hour for each activity. That way, once the lights in the children’s room dim, they will know it is bedtime.

Control the lights based on luminosity
Don’t lose the bright light at home when the weather is gloomy and rainy! Thanks to its LUX sensor, Shelly Door/Window2 can be adjusted to follow the natural light outside and switch on the lights earlier on rainy days, slowly increasing the brightness as the afternoon turns into evening.

Set the mood for “Movie night”
Create your own “Movie scene” with Shelly and treat yourself to a real movie theater experience. Set Shelly to turn on the projector, dim the lights, and shut down the blinds. Now you can enjoy your favorite comedy, horror movie, or thriller in comfort and privacy. For additional comfort, combine Shelly with your preferred voice assistant and simply say “Turn on the Movie routine!”

“Night mode” for a soft night light
Walking to the bathroom at night could no longer be irritating to your sleepy eyes. Shelly Dimmer2 has a “Night mode” functionality, setting the lights brightness at a low level during the night hours. Now when the lights are turned on manually, through voice, or by a motion sensor, they will always be dimmed and soft.


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