LED display screen, high-definition dual display screen, more clear and clear.
Small size and easy to carry.
Handheld design, smooth and delicate edges, easy to use.
After drinking, it is recommended to wait for 20 minutes before testing, because it takes about 20 minutes for alcohol to enter the blood from the digestive organs, and the alcohol remaining in the mouth also needs time to dissipate.
For more accurate results, there should be less than three minutes between each test.
If the product is not used for a long time, please remove the battery to avoid damage to the device due to battery leakage.