Shelly 1 Gen 3

Remotely control a wide range of home appliances and office equipment from anywhere. Retrofit your standard electrical wall boxes, power sockets, and light switches or other places with limited space.

Shop Now
Shelly 2 Gen 3

Remotely control a wide range of home appliances and office equipment from anywhere. Retrofit your standard electrical wall boxes, power sockets, and light switches or other places with limited space.

Shop Now
Shelly 3 Gen 3

Remotely control a wide range of home appliances and office equipment from anywhere. Retrofit your standard electrical wall boxes, power sockets, and light switches or other places with limited space.

Shop Now
Shelly 4 Gen 3

Remotely control a wide range of home appliances and office equipment from anywhere. Retrofit your standard electrical wall boxes, power sockets, and light switches or other places with limited space.

Shop Now
Shelly 5 Gen 3

Remotely control a wide range of home appliances and office equipment from anywhere. Retrofit your standard electrical wall boxes, power sockets, and light switches or other places with limited space.

Shop Now
Shelly Europe

Four Generations of Intelligence

From simple Wi-Fi relays to multi-protocol powerhouses, Shelly has redefined what's possible in home automation. Whether you are building your first smart room or a professional-grade commercial network, there is a Shelly generation designed for your needs.

Shelly Generation 1

Shelly Gen1

The Reliable Classic

The device that started it all. Gen1 is the perfect entry point for those needing essential smart control without the complexity.

Best For
Simple light switching, basic energy monitoring, and budget-friendly projects.
Connectivity
2.4 GHz Wi-Fi
Key Feature
Support for MQTT and CoAP, making it a favorite for local control enthusiasts.
  • Wi-Fi
  • MQTT
  • CoAP
Shelly Generation 2

Shelly Gen2

The Pro-Consumer Choice

Plus, Mini & Pro Series

Gen2 introduced a massive leap in processing power and versatility. This generation brought us the Plus series for home use and the Pro series for professional DIN rail installations.

The Big Upgrade
Bluetooth pairing makes setup a 10-second task.
Intelligence
Introduction of Scripting (mJS), allowing the device to make its own decisions without a hub.
Stability
Features like Range Extender and simultaneous Wi-Fi / Access Point mode ensure your network stays strong.
Professional Edge
The Pro series adds Ethernet and Virtual Components for complex logic.
  • Wi-Fi
  • Bluetooth
  • Ethernet
  • mJS Scripting
Shelly Generation 3

Shelly Gen3

Matter-Ready & High Performance

Gen3 is built on the proprietary Shelly Chip, optimized specifically for smart home stability and speed.

Future-Proofing
Ready for the Matter protocol, ensuring your devices work with Apple Home, Google Home, and Alexa seamlessly.
Speed
With 8 MB Flash and 256 KB RAM, Gen3 handles complex scenes and virtual components with zero lag.
Advanced Logic
Native support for KNX/IP and enhanced safety features for peace of mind.
The Bottom Line
If you want a device that grows with the industry, Gen3 is your sweet spot.
  • Wi-Fi
  • Bluetooth
  • Matter
  • KNX/IP
Shelly Generation 4

Shelly Gen4

The Multi-Protocol Beast

The latest and greatest. Gen4 isn't just a switch; it's a high-performance automation hub in a tiny package.

Next-Gen Connectivity
Supports Wi-Fi 6 for lower latency and stable connections in dense environments.
The "One" Device
Includes Zigbee support, allowing it to act as a bridge and range extender for your entire Zigbee ecosystem.
Maximum Memory
Boasts 512 KB RAM, the highest in the lineup, for the most demanding industrial or residential automations.
Versatility
Multi-protocol support (Wi-Fi, Zigbee, Matter, Bluetooth, KNX) means you never have to worry about compatibility again.
  • Wi-Fi 6
  • Zigbee
  • Matter
  • Bluetooth
  • KNX

Generation Comparison

Feature Gen 1 The Classic Gen 2 Plus · Pro · Mini Gen 3 Matter-Ready Latest Gen 4 Multi-Protocol
Wi-Fi Connectivity 2.4 GHz Wi-Fi 2.4 GHz Wi-Fi 2.4 GHz Wi-Fi 2.4 GHz (Wi-Fi 6)
Processing Power Basic — ESP8266 More powerful — ESP32 Shelly chip — ESP-Shelly-C38 Most advanced — new chip
Memory Basic Up to 4 MB Flash (8 MB Pro) 8 MB Flash / 256 KB RAM 8 MB Flash / 512 KB RAM
Bluetooth Support — Setup & Gateway* Setup & Gateway* Setup & Gateway*
Scripting — Enhanced (mJS) Advanced Advanced
Energy Monitoring Basic (select models) Enhanced (select models) Advanced + Safety features Advanced + Safety features
Device Control MQTT · CoAP · HTTP MQTTS · HTTPS · MQTT+Cloud MQTTS · HTTPS · MQTT+Cloud MQTTS · HTTPS · MQTT+Cloud
Virtual Components — Yes (Pro only) Yes Yes
KNX Support — Yes (Pro only) Available in specific devices Available in specific devices
Bluetooth Gateway — Supported (BLU Devices*) Supported (BLU Devices*) Supported (BLU Devices*)
KVS (Key-Value Store) — Yes Yes Yes
Timer Loop — Yes Yes Yes
Range Extender — Simultaneous Auto ON/OFF Simultaneous Auto ON/OFF Simultaneous Auto ON/OFF
Simultaneous AP / Wi-Fi — Yes (Wi-Fi) Yes (Wi-Fi) Yes (Wi-Fi & Zigbee)
Ethernet Support — Yes (Pro only) — —
Additional Protocols None BTHome · KNX BTHome · KNX · Matter BTHome · Matter · Zigbee · Modbus · KNX
Best Use Case Basic home tasks Advanced home automation Future-proof & complex setups Highest flexibility & multi-protocol

*BLU Devices refers to Shelly's Bluetooth Low Energy product range.

Which one should you choose?

The Budget Builder (Gen1)

You want reliable remote control and don't need complex logic.

The Power User (Gen2/3)

You want fast pairing, custom scripts, and a device that can act as a Bluetooth gateway for other sensors.

The Smart Home Architect (Gen4)

You want the fastest response times, Wi-Fi 6 stability, and the ability to integrate Zigbee devices into your Shelly ecosystem.