Product: 3 Pack Smoke Detector Battery Operated
Brand: vitowell
Combo smoke detector/carbon monoxide alarm detects two threats
Electrochemical CO sensor alerts you to carbon monoxide danger
Photoelectric sensor detects smoke while minimizing false alarms
Battery-operated unit installs quickly and easily without an electrician，A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
5 YEARS WARRANTY

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