Cheetah No. 1 Alcohol Tester Blowing Baton Alcohol Tester With Flashlight Function，CN Plug 1. Alcohol sensor type: electrochemical fuel cell alcohol sensor 2. Range: 0~80mg100mL BAC (blood alcohol concentration) 3. Measurement mode: rapid screening, automatic air extraction 4. Air extraction method: the motor continuously extracts air, and the air extraction speed is not less than 0.8Lmin 5. Operating temperature range: -5-45 degrees Celsius 6. Storage temperature range: -30-70 degrees Celsius 7. Measuring time: Support self-adjustment on the instrument, and the result can be obtained in 1 second faster 8. Environmental pressure: 600-1400hpa 9. Ambient temperature: 20-98%r.h 10. Display: OLED digital display 11. Battery: 1 rechargeable lithium battery, 3.7V3000mAh 12. Continuous measurement time: more than 8 hours 13. Flashlight: two 3W lights 14. Motor reminder: Vibration reminder when the alcohol concentration is higher than the preset value 15. Host size: length (324) x outer diameter (45) mm 16. Instrument weight: about 231 grams (including batteries) packing list: Host x1 Manual x1 Charging cable x1 Adapter x1 Cloth bag x1