A compact device for quick and easy checking of the alcohol content in exhaled air. There is no need to use disposable, traditional mouthpieces. The semiconductor is responsible for the precision of the results. It’s very simple to operate. Press one button and wait for the result. Its small size and weight make it easy to store. You can always have it with you, no matter where you go. You will always be ready to check your state of sobriety when its needed