Black LCD Digital Alcotest Alcohol Breath Tester Analyzer Detector Breathalyzer ?

*Digital alcohol test with audible alert *Sensor: advanced semiconductor oxide alcohol sensor *Range: 0.00-0.19%BAC & 0.0-1.9g/l (or 0.00-0.95mg/l BRAC) *Accuracy: 0.01%BAC(0.1g/l) *Quick response and resume *Auto power off *Use Mouthpiece *Key chain *With backlight *Use 2*