Smoke alarms will warn you if there’s a fire. Smoke alarms will let you know there’s smoke. If you’re sleeping, smoke alarms, yeah, they’ll let you know...Wake up, get outside, let’s go. We need smoke alarms, because smoke alarms are there to let us know. (They warn us if there's a fire) We need smoke alarms, because smoke alarms are there to let us know. Smoke alarms (beep, beep) to keep us safe in our bedrooms, hallways, playrooms, too. So, once a month you’ve just got to test them out to make sure that they’re protecting you. We need smoke alarms, because smoke alarms are there to let us know. (They warn us if there's a fire) We need smoke alarms, because smoke alarms are there to let us know. (Where's there's smoke, there can be fire) We need smoke alarms, because smoke alarms are there to let us know. (They warn us if there's a fire) We need smoke alarms, because smoke alarms are there to let us know.