Thank you for purchasing the Kidde Combination Smoke and Carbon Monoxide Alarm model # KN-COSM-I or # KN-COSM-IB. This alarm is suitable as a Single Station and/or Multiple Station (24 devices) alarm.. Kidde offers combined smoke and carbon monoxide detectors for intelligent home fire safety. Get trusted fire and CO alerts from a reliable alarm.
The KN-COSM-IBA combines a Carbon Monoxide and Ionization Smoke Alarm, providing two important safety devices in a single unit. This alarm includes a voice warning system that helps eliminate confusion, as it tells you if its detected fire or carbon monoxide, or even if it needs a new battery.. The Kidde Hardwired combination smoke and carbon monoxide detector. This Intelligent sensor technology combining the detection capabilities of an ionization smoke sensor - which is more likely to detect smaller, less visible fire particles, like those produced by flaming fires - with that of an CO sensor, which is used to detect CO.