Features a user friendly blow in design and voice broadcast, clear results through its compact ABS construction for effortless operate Engineered with professional sensitivity and portability, this detection tool provides lab readings through operate High Precisions Portable Tester with advanced sensors ensures accurate and measurements in seconds, ideal for professional use Simplifying checks before driving, during, or at social gatherings with this pocket sized breath analyzers offering Buzzer Alarm Essential for families, and entertainment venues requiring quick detection to promote and responsible decision making, Manufacturer: ERRORY