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 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