High Accuracy and Large Digital LCD Screen. This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, it can quickly give you a result. In addtion, with blue back-light, it is convenient to read the result when use it at night.
Compact Design. Comes in a space-saving, lightweight, portable design, ONLY Pocket-size, completely easy to hold and carry everywhere. And comes with a cloth bag, it is very convenient for you to keep when do not use it.