OPEN BOX The Kidde 21008642 Battery Operated Smoke Alarm is an essential safety device designed to provide reliable smoke detection in your home. Featuring a classic white finish, this smoke alarm seamlessly blends with various interior decors. It utilizes advanced ionization technology to effectively detect invisible fire particles (associated with flaming fires), ensuring timely alerts during potential fire emergencies. This model is powered by a reliable 9V battery, providing continuous protection even during power outages. The front-load battery door allows for quick and hassle-free battery replacement. With its loud 85-decibel alarm sound, you?ll be promptly notified in the event of smoke or fire. The unit is UL Listed, indicating compliance with the highest safety standards. Installation is straightforward, and the smoke alarm comes with all necessary mounting hardware, ensuring a quick setup.