Features:
semiconductor sensor inside ; warm-up time:within 10 seconds
response time :within 5 seconds
Operation temperature:5-40 ?
Torch function
Key chain
test steps with LED indication
test result:
    Safety: under 0.02% BAC
    Caution: 0.02% - 0.05% BAC
    Danger: over 0.05% BAC
Battery: 2 x AAA alkaline batteries (not included)
Size: 73 x 39 x 20mm
Print size: 15 x 10 mm