Description: Size InformationAccuracy Breath Alcohol Tester measures approx 7.5cmx1.8cmx4cm/2.95inchx0.71inchx1.57inchFast Response and Accurate ResultsProfessional alcohol tester, digitally displays the concentration result and beeps, accurate and fast reading FeatureRechargeable Alcohol Breath Tester is USB charging, compact and portable, and easily fits in a purse or pocket, on a key chain, or in your carEasy to OperateAlcohol Tester featuring non contact mouth blowing, easy to use by pressing the switch and waiting for 10 seconds to warm up.Then use the mouthpiece to blow the tester for 3-10 seconds, and the result will appear in the displayClear Screen DisplayThe professional tester is 3 unit measurement to choice. Digital Tester alarms sound when the value is higher than the standard value, easy to view measurement values Package Includes: 1 Alcohol Breath Tester1 USB Cable Note: Please allow slightly errors 1-2cm differences due to manual measurement.