Features:This is a digital breath alcohol analyzer tester.Digital alcohol test with audible alert.Auto power off, quick response and resume.The digital breathalyzer has a keychain, very portable to carry out.Fast and convenient design for measuring BAC.A simple method to analyze blood alcohol concentration anytime and anywhere.Description:A breathalyzer or breathalyser (a set of breath and analyzer/analyzer) is a device for estimating blood alcohol concentration (BAC) from a breath sample. The breathalyzer is one of the most affordable breathalyzers available. It can be used in a wide variety of settings, including clinical testing applications and for personal use. It uses advanced semiconductor alcohol detection technology to quickly collect a breath sample and provide an estimate of your blood alcohol content (BAC). The graphic LCD display will indicate your BAC level, whether it is hazardous (over 0.05% BAC), dangerous (around 0.02% BAC), or safe (less than 0.02% BAC). Displays caution when the result is between 0.02% and 0.05%, displays danger when the result is equal to or greater than 0.05%.Specifications:Color: Black & GrayItem Size: 110*70*25mmBattery: 2 AAA Alkaline Batteries (NOT INCLUDED)Sensor: Advanced Semiconductor Oxide Alcohol SensorRange: 0.00-0.19%BAC & 0.0-1.9g/L (or 0.00-0.95mg/L BRAC)Accuracy: 0.01% BAC (0.1g/L)Package Contents:1 x Digital Alcohol Tester4 x Breath Inhaler Case"