Function:
1. 3 test step with LED indication

-- Safety: under 0.02% BAC (0.1 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 (Orange LED)
4. Real time (12hour format)
5. Use 2× "AAA" alkaline batteries

6. Unit dimensions: 70×35×21 mm