Shelly Plus Smoke Alarm
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Shelly Plus Smoke Alarm

£49.99

3 in stock

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Overview

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

Product information

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.
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)
What’s included
  • Shelly Plus Smoke Alarm
  • CR123A battery

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