1) semiconductor sensor inside
2) warm-up time:within 10 seconds
3) response time :within 5 seconds
4) Operation temperature:5-40 ℃
5) Clock with 12 / 24 formats
6) Alarm time function
7) Convenient to carry by keychain
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) Size: 75 x 30 x 20.5mm
12) Print size: 10 x 10 mm