The First alert PC1210V 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 protection. Equipped with smoke and CO sensors, this low-profile alarm provides 2-in-1 protection from two deadly threats. The combination alarm is half the size of a as a standard alarm and features a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10-year lithium-ion battery provides continuous power, with no need to worry about changing the battery for a decade.

• Built-in 10-year battery offers continuous power for the life of the combination smoke and CO alarm
• Voice and location alerts tell you the type of danger and its location
• Slim, easy-to-install design is half as thick as a standard smoke alarm
• Low-profile smoke and carbon monoxide alarm detects two potentially deadly threats