Detection range: 0.00 - 0.20 BAC %; 0.00-2.00 g/L; 0.00 - 2.00 BAC; 0.00 - 1.00 mg/L; 0.00 - 200 mg/100 ml Alarm threshold: 0.05% BAC; 0.50 g/L; 0.50 BAC; 50mg/100ml Test accuracy: 10% F.S Operating voltage: DC 5V 3xAAA battery (not included) Display: 3-digit LCD with blue backlight Expected battery time: 2000 times Dimensions: 103 x 65 x 27 mm (LxWxH) High Precision Alcohol Tester: The professional alcohol concentration tester uses an advanced semiconductor sensor to ensure an accurate result in a short time. Results approved by hospitals, clinics and even law enforcement. High Sensitivity & Accuracy: This breathalyzer uses advanced semiconductor technology to ensure an accurate reading in a short time. Quickly assess whether you can drive after drinking. Portable & Easy to Use: ...