alarmbuttons
nounUK /əˈlɑːm ˈbʌtənz/
US /əˈlɑːrm ˈbʌtənz/
Alarm buttons are buttons you press to make a loud warning sound or call for help.
The teacher showed the children where the alarm buttons are in the hallway.
OTHER MEANINGS
2. Buttons on a device that turn on its alarm function.
He pressed one of the alarm buttons on the clock to set a wake-up time.
3. Buttons used to trigger a fire or security alarm system.
The museum has alarm buttons near every exit.
4. Buttons in a game or app that sound an alert.
The game has alarm buttons that buzz when time runs out.