The question arises

The cheapest option, we can call the definition of the level of intoxication by special pieces of paper resembling litmus. If such a piece of paper licks, then a person can determine his condition by color. However, this method cannot be attributed to reliable, since these pieces of paper are considered a table hobby. The question arises whether it is necessary to purchase such a digital alcotester? In fact, it is better to ignore such a model, and to obtain a reliable and accurate result, it is necessary to use an alcotester such as “Alcohunter Professional+”.