Alcohol tester
semiconductor sensor inside                                                                                       warm-up time:within 10 seconds
response time :within 5 seconds
Operation temperature:5-40 ℃
Clock with 12 / 24 formats
Alarm time function
Convenient to carry by keychain
Countdown and count-up timer keeps the deadline of parking
3 test steps with LED indication
      test result:
      Safety: under 0.02% BAC
      Caution: 0.02% - 0.05% BAC
      Danger: over 0.05% BAC