Kidde 21010064 (P3010L) 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