Feature 1 Non Contact Detector: Designed with gas receiving holes, 4 seconds noncontact blowing detection. Save money and be healthy. 2 High Accuracy: Builtin imported highprecision sensor chip, detection accuracy of 0.01% BAC, detection range of 0.000.19% BAC (01.9G/L). 3 Accurate Alarm Mode: <0.01% BAC; 0.02% BAC0.05% BAC; 0.08% BAC, corresponding to green, yellow and red lights respectively, indicating safety, warning and danger. 4 Portable Design: Small and portable, the alcohol tester can be placed on the car console and ready to use. Good for travel. 5 Personal Professional Use: From personal, parental, to banquet, bar or professional use, a quick, easy and reliable way to test their blood alcohol level.Item Type: Alcohol TesterColour: BlackMaterial: ABSFunction: Alcohol content testBuilt-in Battery: Polymer lithium-ion batteryBattery Capacity: 200mAhDetection Range: 0.00-0.19% BAC (0-1.9G/L)Detection Error: 0.01% BACDetection Unit: Mg/L (BrAC); mg/mL (BAC) Package List1 x Alcohol Tester1 x Charging Line1 x Manual