• Display : 4 Digits LCD Display.
• Easy to use : Just push one button to operate the tester.
• Low battery Indication : Audible alarm sound
• Back light : Easy to read in dark place
• Use in car: 12V cord with car cigarette plug
• Reset function: No need to power start, just reset for second test.
• Driver alcohol checker is a personal breath tester which was designed to help individuals make a responsible decision concerning the ability to operate a motor vehicle after a reasonable consumption of alcohol.