1.Patent digital alcohol tester
2.Advanced flat surfaced alcohol sensor
3.Quick response and resume 4.Fault Self checking

Sensor type: flat surfaced alcohol sensor
Working Voltage: DC4.5V3×AAABatteries
Working Current: ≤120mA
Working Environment: Temperature: -10 oC to  50 oC
Relative Humidity ≤95% No Dews
Detection Range: 0.001.00mg/L
0.0000.199%BAC; 0.001.90g/L; 0.001.99BAC
Alarming Level: 0.25mg/L (0.05%BAC, 0.50g/L; 0.50BAC)
Accuracy: ±10% F.S
Response Time: 5s
Resume Time: ≤20s
Display: 3 digits LCD display with light blue backlight

Battery expectancy time: ≥200Times