These have a small light bulb socked in each, and correspond to hours and 5-minute increments. Insert two bulbs to set the alarm time, and make sure that the alarm knob points to ‘on’.

You can easily create Schedules so that bulbs inside and outside your home go off as needed. Or have them light automatically when someone arrives home and turn off when everyone leaves.

The First Alert Smart Smoke & Carbon Monoxide (CO) Alarm is a ... activated path light. Also, as smart devices go, it’s a good-looking device. Along with advanced fire detection, this model ...