Shelly Plus Smoke WiFi Smoke Detector

The Shelly Plus Smoke WiFi Smoke Detector is an indispensable part of the safety of your home. This innovative, battery-powered smoke detector reliably warns you of smoke, no matter where you are. Its wireless technology makes it easy to install in any room. The Shelly Plus Smoke is not just a simple smoke detector, but offers additional comfort and security thanks to its networking capability with your WiFi. Monitor the status of the smoke detector conveniently via the Shelly Cloud App and receive notifications directly to your smartphone.


  • Simple, wireless installation and flexible mounting. 
  • WiFi and Bluetooth connectivity for easy networking without a hub.
  • 3 years of battery life thanks to efficient technology.
  • Loud acoustic and visible light signals in case of smoke detection.
  • Immediate notifications in case of danger detection anywhere.
  • Smart scenarios combinable with other Shelly devices for individual actions.
  • Control and monitoring via Shelly Cloud App. 

Application examples:

  • Alarm in case of smoke development: In case of smoke detection, the Shelly Plus Smoke immediately triggers a loud alarm and starts predefined scenarios. You immediately receive a notification via the app, regardless of your location.
  • Disruption of power supply: In case of a fire, the smoke detector can instruct other Shelly devices to interrupt the power supply to all devices in the affected area to minimize damage.
  • Local control in the smart home: The Shelly Plus Smoke allows direct control of other devices on the local network, even without a cloud connection, for fast and reliable reactions in an emergency.
  • 3D Printer Monitoring: The Shelly Plus Smoke WiFi Smoke Detector can also be used to monitor 3D printers. In case of smoke development, for example due to a technical defect of the printer, the smoke detector, when connected to a Shelly WiFi Switch, can immediately interrupt the power supply to the 3D printer. This provides additional security, especially during long printing processes or when the printer is unattended.

Documentation and downloads:

Technical data:

  • Manufacturer: Allterco
  • Type: Shelly Plus Smoke
  • Installation: Ceiling mounting.
  • Housing material: Plastic.
  • Color: White.
  • Life span of the device: 10 years.
  • Ambient temperature: -0 °C to 55 °C / 32 °F to 131 °F.
  • Humidity: 30% to 95% RH.
  • Power supply: 1x 3 V CR123A/CR17335 Battery.
  • Battery life: 5 years (with original battery).
  • Smoke sensor: Photoelectric.
  • RF Band: 2400 - 2495 MHz.
  • Max. RF Power: <20 dBm.
  • WiFi protocol: 802.11 b/g/n.
  • WiFi range: Up to 30 m indoor and 50 m outdoor (depending on local conditions).
  • Bluetooth protocol: 4.2.
  • Bluetooth range: Up to 10 m indoor and 30 m outdoor (depending on local conditions).
  • CPU: ESP32.
  • Flash memory: 4 MB.
  • Webhooks (URL actions): 10 with up to 2 URLs per hook.
  • MQTT: Yes.
  • Dimensions (DxH): 86 x 31mm
  • Weight: 148.2g

Delivery includes:

1x Shelly Plus Smoke WiFi Smoke Detector incl. Battery

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Shelly Plus Smoke WiFi Smoke Detector

  • Brand: Shelly
  • Product Code: 423189
  • Availability: In Stock
  • CHF54.90

  • Ex Tax: CHF50.79

Tags: Shelly, Smoke detector, WiFi, Smart Home, Security, Fire protection, Remote monitoring, Battery-powered, Smoke detection, Alerting, Home security, Monitoring, Smoke alarm