This Kidde HomeProtect Smoke Alarm uses optical sensor technology and is ideal for use in hallways and landings. Powered by a sealed-in 10-year lithium battery that lasts the full life of the alarm and never needs replacing. When activated, the alarm has a loud 85 decibel alert and a high intensity emergency safety light to help guide you to safety in the event of a fire in the home.
It is simple and easy to install thanks to its single screw mounting bracket. With a hush button feature that lets you silence nuisance alarms and a test button with LED for simple verification of continual battery and alarm operation. Also has a handy end of life warning feature that chirps when the alarm has reached end of life and needs replacing.
10 Year Manufacturers Guarantee.