... Fail LED and Buzzer故障指示灯和蜂鸣器 Buzzer Switch蜂鸣器开关 Emergency Stop Button紧急停止按钮 ...
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Compared with the prior bicycle lock, the utility model is additionally provided with a micro normally closed switch, the button battery and the alarm buzzer which are in line connection by wires.
这种车锁在现有的车锁基础上安装一个微型常闭开关、纽扣电池以及报警蜂鸣器，并通过导线进行电路连接。
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