Kidde® 21010064

• Sealed-in lithium battery power supply no battery replacement required over the 10 year life of the alarm
• Eliminates worry about battery removal or unauthorized deactivation of alarm
• Photoelectric sensor smoke alarm contains advanced photoelectric sensor that may detect visible particles (associated with smoldering fires) sooner than ionization alarms
• Self activation alarm automatically activates when attached to the mounting bracket
• Alarm memory rapidly flashing LED alerts user if the alarm has sounded since the last time the test/reset button was used
• Test/Hush® button tests alarm circuitry and activates Hush® features
• Smart Hush® temporarily silences nuisance alarms for approximately 10 min and will not allow Hush® mode unless the unit is in alarm mode
• Red LED will blink in conjunction with the alarm sound
• End of life warning alarm chirps every 30 s to indicate the unit is in need of replacement
• Hush® end of life indication can be silenced three days at a time up to 30 days to allow for alarm replacement at a more convenient time

Kidde® Smoke Alarm, Lithium Battery Power Source, Photoelectric Sensor, 85 dB at 10 ft Alert, 10 to 85% Humidity, LED Display, 40 to 100 deg F Operating, White, 5.22 in Dia x 1.6 in H Dimensions