Unparalleled safety and accuracy! The Dräger Alcotest 4000 breathalyzer uses the same measurement technology as precision breathalyzers, the same measurement technology used by police officers. The Alcotest 4000 is a fast and reliable breathalyzer that makes it easy to check your driving ability. Guaranteed German Dräger quality with over 60 years of experience! Like its predecessor, the Alcotest 4000 is designed with user-friendliness in mind. Finnish-language instructions, a clear display, audible signals and a backlit button make the device very easy to use, so taking a breath sample is a natural process for anyone. Residual alcohol in the body is often what the driver only discovers during a breathalyzer test. The electrochemical sensor of the Dräger 4000 breathalyzer gives an accurate breathalyzer result, so you can get behind the wheel with confidence. The precision breathalyzers used by the authorities utilize this same technology. Starting the measurement function is simple: ju