Features 1 Accurate reading2 Strong anti interference3 Type C charging4 LED displaySpecification Name Alcohol TesterSize 100 26 5 17 3mmProduct material ABSCharging input 5V1AMeasuring range 0 019 BAC 0 0 95mg LWarm up time 10SBlowing time 10S Package Included 1 X MH 665 Portable Non Contact Air Blowing Alcohol Tester