1. [Measuring range] High Precision: 0-0.19%BAC; 0-0.95mg/L.
2. [LED HD screen display] Night observation is more convenient.
3. [Tricolor indicator] "Security","Caution","Danger" indicator fast detection.
4. [Portable] Size is L100mm*W28mm*H17mm, very small.
5. [Rechargable battery] Type C charging