产品简介

Product Spec.
*Min-Sec Timer
*Count Up & Down Function
*I sec to 99 min 59 sec
*Count down-with huzzer alarms for 32 sec
*LCD Viewing Size:39X22mm
*Use 1X1.5 Volt AAA Battery 
zui大设定1秒到99分、59秒.
定点到时会发出蜂鸣声32秒/次.
使用范围：0°C ~50°C 
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