For example, what you should pay attention to
The standard rule is the more expensive the alcohol tester the more accurately it will measure, all our devices have a maximum error of 0.05% or less.
Depending on the type of sensor, it may or may not be able to register a new alcohol measurement faster. In short, with expensive devices you hardly need any time between different tests.
Depending on the brand, the device has certain unique properties, for example, some devices have a measurement history, calibration reminder, etc.
Some individuals or companies only buy alcohol meters that have certain certificates or certain specific standards.