Shelly Plus Smoke - Smoke Detector

Shelly Plus Smoke — WiFi Smoke Detector

The Shelly Plus Smoke is a photoelectric smoke detector with integrated 802.11b/g/n WiFi and Bluetooth BLE 4.2. It runs on a CR123A battery for up to 3 years of autonomy, no wiring needed. It instantly notifies the Shelly app and triggers an audible alarm of over 85 dB. No hub or subscriptions required.

• Sensor: Photoelectric (light scattering)
• Audible alarm: >85 dB
• Power supply: CR123A battery included — up to 3 years autonomy
• Dimensions: 86 × 86 × 31 mm
• Temperature: -20 to +40°C
• Processor: ESP32-U4WDH

Use Cases

• Fire protection in homes, offices, and commercial premises
• Integration with home automation to activate sirens or shut down HVAC upon smoke detection
• Remote monitoring of warehouses, garages, and second homes

Compatible with Home Assistant, Amazon Alexa, Google Home, MQTT, and Webhooks.

• RF Band: 2401 - 2495 MHz
• Max RF Power: <20 dBm
• Wi-Fi Protocol: 802.11 b/g/n
• Wi-Fi Range: Up to 30 m indoors / 50 m outdoors
• Bluetooth Protocol: BLE 4.2
• Bluetooth Range: Up to 10 m indoors / 30 m outdoors

Knowledge base

• Shelly Plus Smoke — Official Knowledge Base

API Documentation

• This device (API docs)
• All Shelly devices and services (API docs)

Installation guides

• Shelly Plus Smoke installation guide