6-Pack Interconnected Smoke and Carbon Monoxide Detector, Battery Operated, Silence/Test Button, Smoke & CO Alarm for Any Room

Smart Connection – When concentrations are detected, all interconnected smoke alarm and carbon monoxide detector will trigger alerts, warning the entire residence
2 IN 1 Detection – This interconnected smoke detectors uses highly sensitive photoelectric and electrochemical sensors to reliably detect two hazards
Clear Alarm – The loud 85dB interconnected carbon monoxide smoke detector combo, with a flashing LED and LCD concentration display, ensures you never miss a warning
2-Minute Quick Interconnection: Select a smoke and CO detector (A,standby). Press any other alarm for 3 seconds (green light flashes). Press alarm A once. All devices instantly interconnect, enabling whole-house synchronized alarms
Easy installation—Battery powered smoke detectors and carbon monoxide alarm, featuring test/silencer buttons and and are palm-sized, can be easily installed in homes, bedrooms, basements, and other locations