wireless alarm systems for homes
The Kidde KN COSM B Battery Operated Combination Monoxide has four verbal warnings including fire, carbon monoxide, low battery and smart hush announcement. There is a voice alarm, a flashing light, along with a loud beeping sound that warns of danger. The Kidde KN COSM B Battery Operated Combination Monoxide alarm needs 3 AA batteries to operate and comes with a 5 year warranty. Smoke and Carbon Monoxide detectorIonization sensing fire technologyVoice warnings for fire, carbon monoxide, low battery and hushFlashing LED light and beeping warnings5 Year limited warranty– Anthony Dawson View on Amazon See also onAmazon. co. caBest Budget Smoke Detector Kidde KN COSM IBA 4.