Kidde KN-COSM-IBA Hardwired Smoke and Carbon Monoxide Detector with Battery Backup and Voice Alarm (12-Pack)

Code One 900-0114A is a hardwired combination smoke and carbon monoxide alarm. This unit uses 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 electrochemical sensor, which is used to detect CO. Both detection chambers work together in 1 alarm. Connect up to 24 (18 initiating alarms) for devices, when 1 device is activated all connec...