Battery case at the back of a sensor for easy removal of a battery
Sleek low-profile housing design
Low-battery warning
Test button verifies battery and alarm operation
Sounding a loud alarm signal of exceeding 85 dB in alarm mode
Description
This alarm is a smoke detector of the photo cell principle. This means that the alarm checks the air for smoke resulting from fire. The smoke detector works on one 9V DC battery. Normally the battery will last for at least one year under normal conditions of use.