Option to select one technology only (heat or smoke) or both technologies (heat and smoke)
Can also be used as a standalone detector
Built-in sounder
Test button surrounded with status LED
8 selectable sounder tones
5 years estimated battery life running on 2 batteries
2 additional battery slots available to further extend battery life
EN14604:2005/AC:2008 and BS 5446-2:2003 certified
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