Description
The Fire Sentry i9040 smoke alarm is a battery operated smoke alarm that utilizes ionization sensing technology. The 4" unit is smaller in diameter giving it discreet design with the same quality you would expect in a Kidde product. The unit is powered by a 9V battery, providing continuous protection, even during power outages. This easy to install unit includes a test button to verify the detection electronics are working as intended and comes with the 9V battery.