4 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated Travel Portable Photoelectric FireCo Alarm for Home Kitchen

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 electricianA single button tests the unit or silences the alarm. Low battery signal mute quiets low battery signal for up to 8 hours ARRANTY AND SERVICE: Our products provide after-sales service.

• 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
• smoke detector