led酒精传感器及配套单片机

function:

1. 3 test step with led indication

-- safety: under 0.02% bac (0.10 mg/l brac)

-- caution: 0.02%~0.05% bac (0.10~0.25 mg/l brac)

-- danger: over 0.05% bac (0.25 mg/l brac)

2. quick response and resume

3. torch function

4. key chain

5. use 2× “aaa” alkaline batteries (not included)

6. unit dimensions: 73×29×20 mm