A device that emits an electronic or electric buzzing sound, or the sound itself; used for signaling the start/end of a game, alarms, or personal safety alarms.
試合終了のブザーが鳴り、選手たちはベンチに戻った。
The buzzer signaling the end of the game sounded, and the players returned to the bench.
夜道を歩くときは、防犯用のブザーをバッグにつけていると安心だ。
When walking at night, it's reassuring to have a personal alarm buzzer attached to your bag.
クイズ番組で正解者はブザーを押して回答する。
On quiz shows, contestants press a buzzer to answer.