Photoelectric alarms have a sensing chamber which uses a beam of light and a light sensor. When smoke enters the chamber it changes the amount of light that reaches the sensor and the alarm sounds when the smoke reaches a certain level. They are best at detecting slow burning fires which burn for hours before bursting into flame.

Features and benefits

  • Photoelectric sensor, as recommend by the NZ Fire and Emergency Service.
  • 10 year long-life lithium battery.
  • Hush button.
  • Test button.
  • Extra loud 85db warning tone.
  • Low battery warning.
  • Mounting hardware included.
  • Micro size: 40mm diameter


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