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
• Escape light leads you to safety

• Owners/User Manual https://assets.unilogcorp.com/187/ITEM/DOC/FIRST_ALERT_102285137_Owners_User_Manual.pdf