The Kidde 440376 is a battery operated, ionization smoke alarm with a safety light that helps guide your way to safety. This unit is designed to alert you and your family to the dangers of
smoke and fire. The 440376 includes a 9V battery that powers the smoke alarm, along with an additional 9V battery to power the safety light. This easy to install smoke alarm is UL Listed and offers a 10-year limited warranty. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms

AC PLUG-IN CARBON MONOXIDE ALARM WITH DIGITAL DISPLAY, 9V BATTERY BACK UP, HIDE-A-WAY CORD, TEST/RESET BUTTON, LOUD 85DB ALARM, LOW BATTERY WARNING AND ELECTROCHEMICAL SENSOR

Carbon Monoxide Alarm Battery Operated (DC Only) Model KN-COB-B Part 9CO5 - This battery operated carbon monoxide includes multiple mounting options allowing installation on a wall or table top. Battery power ensures continuous protection even during power outages