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Shelly Plus Smoke Alarm

Tested with Home Assistant
Original price £49.99 - Original price £49.99
Original price
£49.99
£49.99 - £49.99
Current price £49.99
Availability:
in stock, ready to be shipped

Shelly Plus Smoke Alarm is a Wi-Fi smart photoelectric smoke alarm designed to detect slow-smouldering fires that can burn for hours before igniting into flames. It operates fully locally with instant phone notifications, allowing you to create safety automations and alerts even when you are away from home. Battery-powered and easy to install, Shelly Plus Smoke Alarm combines reliable fire detection, loud audible alerts, and smart automation integration to help keep your home and family safe.

Key Features
  • Wi-Fi smart smoke alarm with no hub required
  • Photoelectric smoke sensor for slow-smouldering fire detection
  • Instant alerts and notifications via the Shelly app
  • Battery powered with long-life CR123A battery
  • Loud audible alarm with LED indication
  • Hush mode to temporarily silence alarms
  • Low battery warnings and device health monitoring
  • Supports automation scenes and safety routines
  • Compatible with Home Assistant and other platforms

Use Cases

Fire and Smoke Detection

Detect smoke early from slow-burning fires and trigger immediate audible and mobile alerts.

Smart Home Safety Automations

Trigger safety scenes such as turning on lights, unlocking doors, or sending notifications when smoke is detected.

Remote Monitoring

Receive alerts on your phone even when you are away from home.

Easy Retrofit Installation

Install quickly without wiring, making it suitable for homes, flats, and rental properties.

What’s Included
  • Shelly Plus Smoke Alarm
  • CR123A battery
Technical Specifications
Power
Power supply: 1 × CR123A battery

Battery type: Lithium (IATA Special Provision A123 compliant)
Smoke Detection
Sensor type: Photoelectric

Alarm type: Optical smoke detection

Alarm volume: ≥85 dB
Features
Alarm indicator: LED and sound

Hush mode: Yes

Low battery warning: Yes

Local and remote alerts: Yes
Connectivity
Wireless: Wi-Fi

Wi-Fi protocol: 802.11 b/g/n

RF band: 2400–2500 MHz
Environmental
Operating temperature: 0°C to +40°C

Humidity: Up to 95% RH (non-condensing)
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