FireAngel Multi-Sensor Mains Smoke Alarm with 10 Year Battery Backup – Smart RF Ready

This is a thermally enhanced optical mains powered smoke alarm. Featuring Thermoptek technology, it removes the need for ionisation alarms simplifying the installation process as you only need one type of smoke alarm. · · · Thermoptek Multi-Sensor technology for fast detection of both fast flaming and slow smouldering fires · · Low energy usage – typically less than 10 percent of the average 230V AC smoke alarm · · Ultra slim, integrated for easy installation · · Secondary back-up buzzer · · Smart RF Ready – Fit a Smart RF Radio Module (FS1521W2) to wirelessly interlink up to 50 FireAngel Smart RF products, including FireAngel Connect Gateway · · Secondary back-up buzzer