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 degree
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