burglar alarm - Definition & Meaning

an electronic security device that, when activated, emits a loud noise to deter and alert about unauthorized entry into a house, building, or other premisesan electronic security device that, when activated, emits a loud noise to deter and alert about unauthorized entry into a house, building, or other premises

A burglar alarm is a security system designed to detect unauthorized entry into a building and alert the occupants or authorities. It typically consists of sensors placed on doors, windows, and other entry points, along with a control panel that triggers an alarm when the sensors detect movement or forced entry. Some burglar alarms are connected to a monitoring service, which can contact the police or security personnel if the alarm goes off. These systems help protect homes and businesses from theft or break-ins by providing an early warning and deterring potential intruders.A burglar alarm is a security system designed to detect unauthorized entry into a building and alert the occupants or authorities. It typically consists of sensors placed on doors, windows, and other entry points, along with a control panel that triggers an alarm when the sensors detect movement or forced entry. Some burglar alarms are connected to a monitoring service, which can contact the police or security personnel if the alarm goes off. These systems help protect homes and businesses from theft or break-ins by providing an early warning and deterring potential intruders.

例句

The burglar alarm went off, scaring away the intruders.
防盗警报器响了，吓跑了入侵者。
She installed a new burglar alarm to enhance the security of her home.
她安装了一个新的防盗报警器来增强家中的安全性。
The loud noise of the burglar alarm alerted the neighbors to the attempted break-in.
防盗警报器的巨大响声提醒邻居有人试图闯入。