Kidde 10-Year Sealed Battery Smoke Detector with Photoelectric Sensor

Kidde P3010L is a 10-year, sealed lithium battery, smoke alarm with photoelectric sensing technology and Smart Hush feature. The innovative design allows for automatic activation once the unit is attached to the mounting bracket; there are no pull-tabs, no switches, everything is automatic. At the end of alarm life, the unit will chirp, indicating the alarm needs replacement.|Sealed-in lithium power supply; no battery replacement required over the 10-year life of the alarm; eliminates worry about battery removal or unauthorized deactivation of alarm|Advanced photoelectric sensor may detect visible particles (associated with smoldering fires) sooner than ionization alarms|Self-activation alarm automatically activates when attached to the mounting bracket|End of life warning alarm chirps every 30-seconds to indicate the unit needs replacement|Smoke detector utilizes a photoelectric sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected|UL/CSFM reference model P3010L