A. Model: AM01 B. Sensor type: Semiconductor sensor C. Display: LCD liquid crystal display () D. Testing range: 0.00 - 0.19% blood alcohol concentration (BAC) (0 - 1.9 g/L) E. Measurement units: g/L; mg/mL (BAC) F. Measurement mode: Quick troubleshooting, automatic detection G. Measurement time: 20 seconds H. Power supply mode: Built - in rechargeable polymer lithium battery I. Battery specification: 3.7V 120 mAh J. Power adapter requirements: DC 5V 1A K. Operating temperature: 0 - 45°C L. Pre - heating time: 10 seconds M. Blowing time: 10 seconds, at least 4 seconds N. Reaction time: Less than 5 seconds O. Operating current: Maximum 250 mA P. Standby current: Less than 20 μA Q. Material: Plastic R. Color: Black S. Package contents: - 1 tester T. Only the above package contents are included, and there are no other products. U. Note: Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. The allowable measurement error is +/- 1 - 3 cm.