First Alert CO400 Battery Operated Carbon Monoxide Alarm

First Alert Co400 5 Beeps. First Alert CO400 Basic Battery Operated Carbon Monoxide Alarm The alarm has different beep patterns to communicate whether there is an emergency or simply a need to replace the unit Refer to the chart to learn what "chirps" or "beeps" mean on CO alarms

First Alert Compatibility: Ways to Interconnect Smoke and/or CO Alarms Learn about installation, testing, maintenance, and safety procedures.

First Alert CO400 Carbon Monoxide Alarm Detector 5 Yr Warranty 9V

Light flashes rapidly and horn sounds loudly (repeating 4 beeps, pause). Different Types of Beeps and Chirps: 4 Beeps and a Pause: EMERGENCY Different Types of Beeps and Chirps from Carbon Monoxide Detectors: 4 Beeps and a Pause: EMERGENCY

First Alert CO400 Long Life Battery Powered Carbon Monoxide Detector. This means that carbon monoxide has been detected in the area, you should move to fresh air and call 9-1-1 Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005

First Alert CO400 Carbon Monoxide Alarm Detector 5 Yr Warranty 9V. BATTERY OPERATED CARBON MONOXIDE ALARM WITH SILENCE FEATURE First Alert smoke detectors · First Alert CO400 manual