Professional Digital LCD Breath Alcohol Tester Breathalyzer Mini Analyzer AT838

Features:

Three kinds of alcohol measurement unit conversion (BAC / mg/l / BAC%)
Digital alcohol tester with audible alert.
LCD backlight display for easy reading.
Quick response and resume.
Specially design for safe driving.
Easy and accurate detection.
Small and portable, easy to carry around.

-battery not included

Specifications:

Detect range: 0.000-0.199% BAC & 0.000-1.990