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