AlcoSense Verity

How do I read the BAC on the Alcosense Verity?
The screen displays 3 numbers, which represents 0.000 if you look closely at the left side of the screen where the first 0 begins, you'll be able to ...
Wed, 7 Jul, 2021 at 3:24 PM
Where is the serial number located on the Alcosense Verity?
Remove the battery cover, it should be in the middle in between two batteries on the black panel. In some units, the serial number was laser etc...
Wed, 7 Jul, 2021 at 3:25 PM