Features:

1) Design patent

2) semiconductor sensor inside

3) warm-up time:within 10 seconds

4) response time :within 5 seconds

5) Operation temperature:5-40 ℃

6) Convenient to carry by keychain

7) Countdown and count-up timer keeps the deadline of your parking

8) 3 test steps with LED indication

9) test result:

    Safety: under 0.02% BAC

    Caution: 0.02% - 0.05% BAC

    Danger: over 0.05% BAC

10) Battery: 2 x AAA alkaline batteries (not included)

11) Clock: uses 1 x AG13 battery (included)

12) Size: 76 x 35 x 22mm

13) print size: 12 x 15 mm