Breath Alcohol Tester (A20)

1) Design patent
2) semiconductor sensor inside
3) warm-up time: Within 10 seconds
4) response time: Within 5 seconds
5) Convenient to carry by keychain
6) Countdown and count-up timer keeps the deadline of your parking
7) 3 test steps with LED indication
8) test result:
Safety: Under 0.02% BAC
Caution: 0.02% - 0.05% BAC
Danger: Over 0.05% BAC

9) Battery: 2 x AAA alkaline batteries (not included)
10) Clock: Uses 1 x AG13 battery (included)
11) Size: 70 x 35 x 21mm