Shelly WiFi Dimmer 2

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Shelly WiFi Dimmer 2

Control a wide range of dimmable LED, halogen lights and ferromagnetic/triac transformers with the smallest WiFi dimmer in the world, Shelly Dimmer2 works without a neutral line.  Shelly Dimmer 2 was developed to cover all possible electrical installations all over the world.  Shelly Dimmer 2 can be used in houses where the neutral line is missing and provide a full set of dimming functionalities.

Automatically follow sunrise and sunset and control your lighting accordingly. Shelly Dimmer 2 will gradually dim lights in the morning and brighten as night time approaches.

Intelligently designed to fit in most standard electrical boxes and switches. Shelly Dimmer 2 is as big as two small cookies stacked together and offering an array of dimming functionalities.


  • Has an embedded webserver and connects to your WiFi network 
  • Designed for installation in a limited space, such as wall mounts, electrical control panels, etc.
  • Can function as a standalone device, as an accessory to a home automation controller, or it may be used as another automation system's component
  • Overload and temperature protection
  • For multiple bulbs connected to one Dimmer 2, all bulbs need to be equal in power load and technology
  • Easy control through the Shelly app, various protocols and platforms, as well as voice assistants. 


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
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