Improve safety around the home with this battery-operated First Alert 1037226 (SA304CN3) Smoke Alarm Escape Light. Suitable for hallways, it silences nuisance alarms from cooking smoke or shower steam and provides valuable light for escape. A single button on the smoke alarm also tests alarm functions and provides easy access to the battery drawer, so there is no need to remove the alarm from the ceiling for a battery change. Easy to install, this First Alert smoke alarm escape light is a must-have for home safety. First Alert SA304CN3 Smoke Alarm (Escape Light): Eco-friendlyEZ-access battery doorEasy-to-use mute buttonIncludes 9V batteryIonization sensorBright fire escape lightFirst Alert model SA304CN3 a must-have for your home