The Kidde COSM-B is a top quality combination smoke and CO2 alarm. The easy to understand voice alert system protects you from fire and Carbon monoxide. The COSM-B also includes a built-in LED warning to provide a visual alert for the hearing impaired.
This high quality unit complies with standards such as the FHA, HUD, MFPA and CSFM. The device is UL approved and comes with a 5 year manufacturer's warranty.