1) Design patent 2
2) semiconductor sensor inside
3) warm-up time:within 10 seconds
4) response time :within 5 seconds

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 °C

 6) Clock with 12 / 24 formats

7) Alarm time function

8) Convenient to carry by keychain

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

10) 3 test steps with LED indication

 11) test result:       Safety: under 0.02% BAC       Caution: 0.02% - 0.05% BAC       Danger: over 0.05% BAC  

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

13) Clock uses 1 x AG13 battery (included)

14) Size: 91 x 31 x 17.5mm

15) Print size: 20 x 30 mm

16) patent number ZL 2005 3 0053426.5