Features 1、Alcohol Tester: This alcohol tester adopts non contact blowing method, supporting continuous testing by multiple people. 2、Flashing Light: When there is alcohol, the light will lights on, the flashing can be turned on by pressing the button. 3、Beep Prompt: Rear mounted high volume buzzer, alcohol triggered beep prompt sound, or you can press the button to start the sound. 4、High Definition Color Screen: The breath analyzer adopts 1.4 inch color high definition large screen, which is clear at a glance. 5、Memory Function: This breath tester can store 3000 testing informations, the testing records can be viewed at any time. Specification Item Type: Alcohol Breath Tester Material: ABS Battery Model: lithium ion battery 3.7V 3000mAh (built in) Measurement Range: 0-200mg/100ml Use: Widely used for checking drunk driving, post drinking inspection, construction inspection, logistics, motorcade, construction sites, coal mines, etc. Package List 1 x Alcohol Breath Tester 1 x User Manual 1 x Charging Cable