First Alert 10-Year Battery Photoelectric Smoke Alarm with Slim Profile (2-Pack) Liquid Fence Outside lever locked by push-button

Outside lever locked by push-button on interior

and is an easy-to-install

Store it in a handy spot with the included wall mount

The oscillating wood blades are designed with aggressive

First Alert 10-Year Battery Photoelectric Smoke Alarm with Slim Profile (2-Pack) Liquid Fence Outside lever locked by push-buttonThe SM210 10 year sealed battery smoke alarm with slim profile design is equipped with First Alert's Precision Detection advance sensing technology and meets industry standards. Precision Detection provides advanced protection early warning as well as a reduced number of nuisance cooking alerts. This slim profile smoke alarm is easy to install, and the 10 year sealed battery means no battery replacements are required.