LCD Digital Alcohol Tester Breathalyzer(Black)

1. NM hot-wire sensor
2. Easy to use
3. Direct testing guide
4. Audio warning
5. LCD indication
6. Backup lamp
7. Power-saving design
8. Low battery alert.
9. Power by 2x 1.5V AAA batteries.(Batteries are not included.)
10. Range: 0.00-0.19% BAC & 0.0-1.9g/l