Review on Breathalyzer Lydsto Lydsto HD-JJCSY01 by Mateusz Praga ᠌

A very controversial device. For a week of testing, I still did not understand whether it was worth believing or not. The first measurement of a sober person always shows 0.020-0.030 (and you can not even blow into the tube, but shake it in the air so that air passively hits the sensor), the second and third show approximately 0.0002 - 0.0005. Zero values ​​seen only a few times. After drinking, in the morning the third measurement showed 0.030, and after a few hours the readings fell to the same 0.0002-0.0005 It seems that the sensor is too sensitive, and catches absolutely everything from the surrounding air, and also reacts to toothpaste or chewing gum. Perhaps you can trust this tester solely as an indicator that there is something in the exhalation, but what exactly and how much is unclear. And only with 3-4 measurements in a row. If something changes, or I understand how to use it correctly, I will add a review.