Features time range of 60 minutes by minutes and seconds, 8-in dial with two sets of Numbers (use inner circle of small Numbers as stop clock) and selective automatic buzzer alarm.

时间范围在60分钟，8英寸刻度盘，两排数字(停止时使用内圈的小数字)和可供选择的自动闹钟。

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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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