●Sensor: Semiconductor ●Screen: Digital display with 3 decimal points. ●Detect Range: 0.08 1.99‰ BAC,0.008~0.199%BAC; 8~199mg/100mL; 0.04~1.00mg/l (if less then 0.08‰BAC, will display as zero to prevent misreport) ●Precision: +/- 0.018 %BAC to driving limit drinks drinks. ●Respiratory sampling: >5 seconds. ●Cycle time: ~25 seconds.