buzzer
🇺🇸
/ˈbʌzər/
🇬🇧
/ˈbʌzə(r)/
a device that makes a buzzing sound to alert or signal people
When the time was up, the buzzer made a loud noise.
시간이 다되었을 때, 버저는 큰 소리를 냈습니다.