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。
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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