The Kidde i1040 is a 10-year, sealed battery, ionization, smoke alarm with Alarm Memory and Hush® feature. The i1040 alarm will automatically activate when it is attached to the mounting bracket; there are no pull-tabs, no switches, everything is automatic. When the unit reaches low battery condition (approx 10 years after power up), it will chirp, indicating the alarm is in need of replacement.
Sealed-In Lithium Battery - Unit will continue to operate for 10 years. Never change a battery.
Discreet Design - Four inch diameter.
LED Indicator - A flashing red indicator light with four modes of operation: Standby, alarm mode, Hush® mode and memory set.
Test / Hush® Button - A single button tests alarm circuitry and temporarily silences nuisance alarms.
Click on the video to learn more about how to install your Kidde Smoke alarm.
Helpful ResourcesAs North America's #1 home fire safety brand,* Kidde has been working to help make your home the safest it can be for more than 100 years. Now, our latest smoke alarms and combination smoke + carbon monoxide (CO) alarms are bringing you the next level of fire and CO safety. Help protect what matters most in your life with features like cutting edge technology that send fast alerts to give your family more time to get out safely. And enhanced sensing technology that reduces false alarms often caused by cooking.
*Based on total household installations as of December 2023.