Test-reset button tests alarm circuitry | Meets requirements of Underwriters laboratories | Talking alarm announces the hazard type

Product DescriptionThe Kidde KN-COSM-BA Battery-Operated Carbon Monoxide and Smoke Alarm combines two important safety devices into a single unit. This alarm includes a voice warning system that announces "Fire, Carbon Monoxide, Low Battery, or Smart Hush Activation." The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement. This unit uses two AA batteries, protecting you and your family even during a power outage.Amazon.comThe Kidde KN-COSM-BA battery-operated carbon monoxide and smoke alarm combines two important safety devices into a single unit. This alarm includes a voice warning system that makes four announcements: fire, carbon monoxide, low battery, or smart hush activation. The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement. This unit uses two AA batteries, protecting you and your family even during a power outage.This alarm uses ionization-sensing technology for the smoke alarm. Ionization-sensing alarms may...