Mini Professional Alcohol Breath Tester Digital Police Alcohol Analyzer Tester Gadget detector For Driver safe driving easy use

Mini Professional Alcohol Breath Tester Digital Police Alcohol Analyzer Tester Gadget detector For Driver safe driving easy use Features: digital LCD display Semiconductor alcohol sensor Warm up time: <10s Response time: <5s Test Range: 0.00~0.19% BAC; 0.0~1.9g/l 2 measuring units display: % BAC & g/l Use 2 x "AAA" alkaline batteries (not included) Package include: 1*alcohol tester