The Wireless Family alarms interconnect to each other using innovative Radio Frequency technology; when one alarm activates, they all sound. The alarm has been designed to warn of flaming fires in the areas not suitable to install smoke alarms: kitchens, garages, workshops or laundries. If rapid and constant change of temperature increases and the temperature level reaches >58°C, the alarm will sound. • Connect up to 32 alarms • 2 x 10 Year ‘long-life’ battery (non-replaceable) • Two installation options; recessed or standard/flush mount. • 85dB(A) at 3 meters • Easily accessible 10-minute hush & test button • 30-day low battery alert • BS5446-2:2003 certified, NZS4514:2021 & NZBC Compliant