- Battery Backup: The CO615 Plug-in Alarm also features a battery backup, which ensures that the device will continue to work even in the event of a power outage. This means that you can have peace of mind knowing that your home is protected even during a blackout.
- Radon Gas Test Kit: The Radon Gas Test Kit RD1 included in this package is a bonus feature that allows you to test your home for radon gas, w

The First Alert CO615 Plug-in Alarm is a must-have safety device for every home. With its battery backup and digital display, it provides reliable protection against carbon monoxide poisoning. The alarm plugs into any standard outlet and can detect dangerous levels of CO, alerting you with a loud 85-decibel alarm. The device also features a test/silence button, allowing you to test the alarm's functionality and silence false alarms. In addition to the CO615 alarm, this package also includes a Radon Gas Test Kit, RD1. Radon is a naturally occurring gas that can seep into your home through cracks and openings in the foundation. This test kit allows you to easily and accurately measure the radon levels in your home, ensuring that you and your family are safe from this invisible threat. Overall, the First Alert CO615 Plug-in Alarm with Battery Backup and Digital Display (1 Pack), White & Radon Gas Test Kit, RD1 is an essential package for any homeowner who values safety and peace of mind. With these devices in place, you can rest easy knowing that you are protected against two of the most dangerous threats to your home and family.

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