automatic shutdown for quick response.
Alcohol tester has a key chain, easy to carry

advanced Semiconductor alcohol sensing technology is adopted to quickly collect respiratory samples and provide blood alcohol content (BAC) estimation.
The LCD will show your degree of drunkenness, whether it is dangerous (over 0.05% bac), and whether it is unsafe (about)
0.02% bac) or security (less than 0.02% bac).
Warning is displayed when the result is between 0.02% and 0.05%, and danger is displayed when the result is equal to or higher than 0.05% ".

Specifications:
color: black and gray
size: 110*70 * 25mm
battery: 2 "AAA" alkaline battery (not included)
range: 0.00-0.19%BAC & 0.0-1.9g/l (or 0.00-0.95mg/l BRAC)
accuracy: 0.01% BAC(0.1g / l)

products include:
1x Digital alcohol breath tester

4 × air nozzle