First Alert smoke detector...non replacable battery supposed to last 10 years...dies after 2...for warranty contact, the verify you're human puzzle does not work on 3 different browsers I tried
droans @ droans @lemmy.world Posts 0Comments 354Joined 2 yr. ago
droans @ droans @lemmy.world
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Both kinds exist. Both have different benefits and drawbacks.
You shouldn't only be using one type in your house.
Optical is great for detecting large smoke particles quickly. If the smoke is small particles, though, it'll need to be rather dense before it'll go off. Ionizing detectors have the opposite issue; they react quickly to small particles but can't detect large particles that well.