High-Precision Portable Alcohol Tester Rechargeable Breathalyzer With LCD Display 1. Blowing high-precision alcohol tester, no contact, safer and more hygienic 2. LCD high-definition display, accurate values, clear and easy to read (English display) 3. Based on high-precision chips, intelligent sensors, filter other impurities and leave only alcohol, and the test is more accurate. 4. Three color detection indicator lights, the test results are clear at a glance. 5. Built-in 300 mAh lithium battery, cyclic charging, longer life Parameters: 1. Sensor type: high-sensitivity direct heating alcohol sensor 2. Display: LCD liquid crystal display 3. Shell material: ABS plastic 4. Test range: 0.000-0.199%BAC 5. Accuracy: +-0.005%BAC 6. Blowing time: 10 seconds (usually 3-5 seconds) 7. Reaction time: less than 5 seconds 8. Preheating time: 10 seconds 9. Product size: 90 x 25 x 26mm 10. Weight: about 22.5g