Shenzhen Jiduoduo Dianzi Shangwu Co.,Ltd
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Special Note:
1. Pay attention to checking whether the battery is in contact with the positive and negative terminals of the detector. If there is no displayed value, it means that the battery is completely discharged
2. The detector is powered by a measuring battery and does not require additional battery installation.
3. The battery is completely discharged and the screen does not display voltage
Packaging List:
1 X BT138 Battery Tester
1 X Blister Box