Sealed-in Lifetime Lithium Battery with a long-life sensor for dependable, low-maintenance protection. A high-quality electrochemical sensor provides accurate, reliable carbon monoxide detection and is designed for long-term performance.

Suitable for rooms containing fuel-burning appliances, as well as main living areas, this alarm uses advanced electrochemical CO sensing technology—a proven and highly accurate method of detecting carbon monoxide. Each alarm is calibrated and tested using CO gas to help ensure precise measurement, including at low CO levels, for early warning in occupied spaces.

The unit can be wall-mounted or used as a freestanding alarm, giving you flexible installation options throughout the home.