How to replace the battery of the Jiuan 1800 alcohol detector

Replacing the battery of the Jiuan 1800 alcohol testerProduct features: Jiuan 1800

1 No mouthpiece, easy to use;

2 Continuous monitoring, high efficiency and the result can be obtained in one second;

3 It is sensitive, don't worry about missed detection;

4 Super fast, don't worry about traffic jams.

How to replace the battery of the Jiuan 1800 alcohol detectorTechnical parameters

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