About Kidde KN COSM-IB
The Kidde KN-COSM-IB hardwired talking combination smoke and carbon monoxide alarm also includes backup battery for additional safety. This advanced protection unit not only alerts by voice command, but also through LED visual warnings for the hearing impaired.Each voice in the Kidde KN-COSM-IB system corresponds to a different disturbance and is followed by a series of alarm beeps and LED flashes. The Kidde KN-COSM-IB can function as a lone unit through a 9V battery or as part of an interconnected system of up to 24 Kidde devices. The Kidde KN-COSM-IB features tamper and theft-resistant alarms to ensure that your device is always functioning at its highest level.
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