OBEST Breathalyzer Alcohol Tester Professional Breath Analyzer Detector Portable with Digital LED Display 5 Replacement Mouthpieces

   

Detection Range: 0.00-0.20 BAC%; 0.00-2.00g/L;0.00-2.00BAC‰;0.00-1.00mg/L;0.00-200mg/100mL Alarming Level: 0.05BAC%; 0.50g/L; 0.50BAC‰;0.25mg/L; 50mg/100mL