First Alert 3-Pack Battery-Operated Carbon Monoxide Alarms with Advanced Electrochemical CO Sensors

This handy 3-pack of First Alert CO400 Carbon Monoxide Alarms utilizes electrochemical carbon monoxide sensors to monitor your space for carbon monoxide threats and ensure home safety. The battery-powered design doesn’t require an electrician; simply insert the included 9-volt battery into each alarm, and the carbon monoxide detectors are ready to provide continuous protection against CO poisoning.

The advanced electrochemical CO sensors detect carbon monoxide leaks from multiple household sources, such as malfunctioning fuel-burning appliances, blocked chimneys, and generators running inside or near homes. When CO levels become elevated, a loud 85-decibel alarm alerts you to the danger, providing an effective early warning system.

For comprehensive carbon monoxide detection, it’s crucial to have a CO detector on every level and in every bedroom of your residence. Designed for user convenience, each CO detector features a single button that silences or tests the unit, as well as an end-of-life timer that notifies you when it’s time to replace the device to maintain safety.

Product Highlights

• Protect your family with this 3-Pack of easy-to-use, battery-operated carbon monoxide alarms; battery-powered alarms offer uninterrupted CO monitoring during power outages
• Features advanced electrochemical CO sensors for reliable detection of carbon monoxide levels, regardless of detector placement
• A loud 85-decibel alarm sounds when CO levels become hazardous, providing an effective warning against carbon monoxide poisoning
• For complete home protection, place one detector on each level and in every bedroom
• 5-year limited warranty; equipped with an end-of-life signal to indicate when replacement is necessary for continued safety
• All First Alert CO alarms undergo rigorous testing to meet UL standards for carbon monoxide detection