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Don't they have a LED to indicate low power? I don't know much about smoke detectors, but I'd imagine they'd have a LED on at all times to indicate that they're
by StavrosK 6y ago
Don't they have a LED to indicate low power? I don't know much about smoke detectors, but I'd imagine they'd have a LED on at all times to indicate that they're working.
- nojokes 6y agoNo, mine just blink time to time.