audible alarm

基本解释

Some were obvious--and tragic: the club had no sprinkler or audible fire-alarm systems.
一些是明显而悲惨的：俱乐部没有喷水器或火灾声音报警系统。
If the mother is given the wrong child, the RFID tag detects the mismatch and activates an audible alarm.
如果婴儿被交给错误的母亲，标签能够检测到错误匹配并发出警报铃音。
The Hidden Camera Detector is so small you can take it anywhere. When a wireless camera is detected, an LED light flickers and an audible alarm sounds.
隐藏探测器是这么小，可以随身携带。当无线摄像头发现，一个LED灯闪烁，并发出警报声的声音。
581la.com

Keeping track of the S Pen is simple now too because a visual and audible alarm appears if the user forgets to put the S Pen back inside the device.
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Within limits, the second-generation GL will bring itself to a complete halt if the car detects that the following distance to the car ahead is shrinking too fast, and if the driver fails to step on the brakes in response to flashing lights and an audible alarm.
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If a sensor detects a problem, the RFID tag transmits this to the control unit which can emit an (audible) alarm or shut off the water supply.
ENGADGET: RFID is in the toilet