Smoke Detectors First Alert is the leading brand in the smoke detector category.
First alert is the world's largest manufacturer of residential smoke detectors.
A smoke detector on every level of the home doubles the chances of surviving a fire. Different areas of the home have different needs. Light Test Smoke Detector Designed for use throughout the home. Detector Super-bright Escape Light feature helps illuminate escape path. First Alert's full line includes extinguishers for auto, residential and commercial applications.