FireAngel FA6620 Optical, Battery Powered Fire/Smoke Alarms for Home

SMOKE DETECTORS FOR HOME: The optical smoke alarm makes protecting your home simple. Its optical sensing chamber sees smoke as it enters the alarm, providing a fast response to slow burning fires with thick white smoke.
FEWER NUISANCE ALARMS: The advanced optical sensor ensures the FireAngel smoke alarm is less prone to false alerts from cooking fumes. Avoid placing near bathrooms or kitchens.
10-YEAR BATTERY: Each smoke alarm is fitted with a 10-year sealed battery, offering p