1pc Digital Alcohol Tester LCD Police Breathalyzer Quick Accuracy Portable Detector Five Test Units ,Easy to Use

1. Black screen red character display and three-block LED light display 2. Five test units are available for users to choose 3. Alarm with sound, saves electricity and shutdown automatically < 30 seconds Response time: 5 seconds 5 test range: 0.000-0.199% BAC alarming point: 0.050%BAC 0.500BAC 0.250mg/ L 50mg/ L 00ml Accuracy: ±0.010%BAC