Help protect your home, pets, and family with Kidde carbon monoxide detector, model COB, designed to help provide dependable detection of carbon monoxide hazards. Major sources are fuel-burning appliances, like gas stoves, water heaters, furnaces and fireplaces.. This carbon monoxide alarm monitors elevated CO levels and sounds a loud 85-decibel alert to signal occupants to move outside to fresh air. Bright LED lights change color based on alarm status, providing clear visual indication of CO alert. The battery-powered design installs without wiring and continues operating during power outages using two included AA batteries. The unit can be wall mounted or placed on a tabletop for flexible placement. A Test/Hush button allows quick function checks or temporary silencing of alerts when appropriate. The alarm includes a 10-year limited warranty. Tested to meet UL 2034 5th Edition standards and is ETL Listed, this co monitor is backed by a 10-year limited warranty. Not approved for RV or boat use. Pack carefully to help avoid damage. Remove batteries prior to travel and reinsert upon arrival. For conditioned spaces only. Test before use. 120V single voltage; may not work with 220V outlets.