
First Alert BRK Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector 6 -Pack
Does the alarm signal when battery needs to be replaced?
3
Did not come with screws to install and the battery was dead because it’s already in the detector draining the life. Didn’t chirp, didn’t work.
Was this Answer Helpful ?mine chirps like a cricket when the battery needs replacement; it's basic f.a. model sa303
Was this Answer Helpful ?No, the alarm does not signal when the battery needs to be replaced.
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