Small digital alcohol tester, light, and not expensive, which can determine the ppm with accuracy, but besides this, the device is also convenient because it has an alarm clock and a reverse report timer. A digital alcohol tester with a liquid crystal screen will help you avoid many troubles on the road or protect another person from these troubles.

By purchasing the device, you will see how easy it is to operate:

By turning on the device, you will hear the sound signal, after which internal testing begins, and on the display you will see the reverse report numbers from 10 to 0 and the device will give a signal to the beginning of measurement. After that, you must take a deep breath into yourself and when you hear a second signal, you can exhale into the opening of the gas machine. For more accurate readings, you need to breathe into the hole until you hear the next signal. Only after that you will see accurate readings on the alkotester (in pisses).

This device can be useful to you both for personal use and for the fact that you could control employees, drivers and children. But, they do not recommend using the device for official purposes, since this requires other more accurate partings that have more rigid certification.

Before you purchase the device, you should know its technical characteristics: only after you take three signs on the liquid crystal screen after about 10 seconds will be ready to work. Power: 3B – (2 batteries AA). In addition, it is important to know the operating conditions, since only at 0`-Sil-45`, humidity <95% and in the absence of condensate, the device will show accurate readings.