SPECIFICATIONS
Power	AC
Protocol	Matter, WiFi, Zigbee

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Shelly

Shelly Dimmer Gen4

Rated 0 out of 5

R1099,00

Prices include VAT. Delivery shown at checkout.

Shelly Dimmer Gen4 — Smart In-Wall Dimmer

Compact multiprotocol dimmer with Matter, Zigbee and Wi-Fi. Works with or without neutral and fits behind standard switches.

Multiprotocol: Wi-Fi, Zigbee, Bluetooth + Matter certified
No neutral required (bypass under 20 W)
Trailing-edge dimming up to 200 W
Supports dimmable LEDs (150 W), halogen & incandescent (200 W)
Power monitoring (with neutral)
Excellent Home Assistant support + local scripting & MQTT
Ultra-compact: 38.5 × 43.5 × 17 mm

Category:

DIY / Retro Fit Modules

Energy

Lighting

Power Monitoring

Stock:

10 in stock

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      EXCELLENT  
   Based on 707 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Kotie Koekemoer 
 
 
 
 Trustindex verifies that the original source of the review is Google. Good
  
 
      Posted on Google  
   
   Segran Subboo 
 
 
 
 Trustindex verifies that the original source of the review is Google. ⭐⭐⭐⭐⭐ Excellent Products and Outstanding Technical Support

I am very happy with the Sonoff Zigbee devices I purchased. The devices have met my expectations, and I am pleased with their quality and performance.

What made the experience even better was the assistance I received from the technical team at Untamed Tech. Their willingness to assist, provide technical guidance and help me with my queries made the entire experience a positive one.

Good products are important, but having knowledgeable and helpful technical support available when needed makes a real difference. I appreciate the professional assistance and customer care I received.

I am very satisfied with my purchase and the support provided by Untamed Tech. I would gladly recommend both the Sonoff Zigbee devices and Untamed Tech to anyone looking for reliable smart-home products backed by helpful technical assistance.

Thank you to the Untamed Tech team for the excellent service!
  
 
      Posted on Google  
   
   Thulani Mathibela 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great customer service
  
 
      Posted on Google  
   
   Johan Grobbelaar 
 
 
 
 Trustindex verifies that the original source of the review is Google. What a nice and efficient company to deal with !

Thanks Guys
  
 
      Posted on Google  
   
   Reuben Naidoo 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service as always
  
 
      Posted on Google  
   
   louis massey 
 
 
 
 Trustindex verifies that the original source of the review is Google. great service.
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Overview

Shelly Dimmer Gen4 — Smart In-Wall Dimmer (Wi-Fi / Zigbee / Matter)

Upgrade any dimmable light to full smart control with the Shelly Dimmer Gen4. This compact multiprotocol dimmer installs behind your existing wall switch and delivers precise trailing-edge dimming with outstanding flexibility.

Key Features

Multiprotocol Connectivity — Built-in Wi-Fi, Bluetooth and Zigbee, plus Matter certification for seamless integration across ecosystems.
No Neutral Required — Works with or without a neutral wire (Shelly Bypass recommended for loads under 20 W without neutral).
Precise Dimming Control — Trailing-edge dimming with adjustable fade rate and transition time for smooth brightness changes.
Wide Load Compatibility — Supports dimmable LEDs up to 150 W, incandescent and halogen lamps up to 200 W, and compatible transformers up to 200 W/VA.
Power Monitoring — Real-time voltage and current measurement when used with a neutral wire.
Advanced Local Features — Scripting, MQTT, schedules, webhooks, and local control — ideal for Home Assistant users.
Ultra-Compact Design — Only 38.5 × 43.5 × 17 mm — fits easily behind standard switches.
Safety Protections — Overheating, overpower, overvoltage, undervoltage and overcurrent protection.

Perfect for Home Assistant & Modern Smart Homes

Choose your preferred protocol: use Zigbee for a robust mesh, Wi-Fi for simple standalone operation, or Matter for native Apple Home, Google Home, Alexa and SmartThings compatibility. Excellent local control and deep Home Assistant integration make it a favourite among advanced users.

Whether you’re retrofitting older homes without neutral wires or building a fully automated lighting system, the Shelly Dimmer Gen4 delivers reliable, flexible and future-proof dimming.