First Alert Compact 10 Year Combo Photoelectric Smoke and Carbon Monoxide Alarm

First Alert Compact 10 Year Combo Photoelectric Smoke and Carbon Monoxide Alarm with Voice and Location Feature - PRC710V (1039871) 10 Year Combo Photoelectric Smoke & CO Alarm w/ Voice The First Alert PRC710V Combination Photoelectric Smoke and Carbon Monoxide Alarm with 10-Year Battery and Voice and Location helps protect your home from two potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smoldering fires. Half as thick as a standard alarm, this detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year lithium metal battery provides continuous power, with no need to ever worry about changing the battery during the lifetime of the alarm. First Alert 10 Year Combo Photoelectric Smoke & CO Alarm w/ Voice can be preprogrammed with the following locations: Basement Kitchen Child's Bedroom Living Room Dining Room Master Bedroom Family Room No Location Guest Bedroom Office Hallway Utility Room