FIRST ALERT BRK 3120B-6 Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup, 6-Pack , White -

The front cover design of the alarm may vary but product function remains the same.

Keep your family safe with this 6-pack of hardwired smoke alarms; The battery backup means constant monitoring, even if there's a power failure Equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires, which alerts you with an 85-decibel alarm Equipped with Optipath 360 technology that enhances detection with 360-degree access, and reliably detects smoke To ensure complete protection make sure to place 1 on each level of your home and in each bedroom Simple to use, with a single test/silence button and side-load battery compartment; Included mounting bracket makes installation easy Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety