First Alert 1039855 Smoke Alarm, 9 V, Ionization Sensor, 85 dB, Alarm: Audible, White

The First Alert P1210E 10 years battery photoelectric smoke alarm, slim profile with escape light helps protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect 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 years lithium-ion battery provides continuous power, with no need to ever worry about changing the battery over the lifetime of the smoke detector. The First Alert P1210E alarm comes equipped with a photoelectric sensor to provide the earliest possible warning of fire The sensor is optimized to detect larger smoke particles produced by smoldering fires, such as those caused by unextinguished cigarettes Distinguishes between real threats and smoke/vapor produced during showering, cooking and other everyday activities, helping minimize the number of false alarms Patented smoke entry system helps ensure reliable detection by providing a direct air pathway to the sensor The First Alert P1210E 10 years photoelectric smoke alarm features a built-in 10 years lithium battery that provides continuous power for the life of the detector An end-of-life timer lets you know when the device should be replaced Half as thick as a standard alarm, the First Alert P1210E photoelectric smoke alarm packs premium detection features into a sleek, compact unit Battery-powered alarm installs easily Alerts you to danger when smoke is detected and the smoke alarm sounds a loud 85 dB siren that is designed to wake even the soundest of sleepers