Kidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm

Talking Alarm announces the hazard type detected helping to speed up the reaction time
A single unit can be installed where previously two were needed
Battery Safeguard ensures the unit cannot be accidentally mounted without batteries installed
Test Reset Button tests alarm circuitry and triggers the voice announcement
Kidde smoke alarms and carbon monoxide detectors meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards