Specification:
Sensor: Semiconductor alcohol sensor
Warm-up time: ≤ 10 seconds
Respond time: ≤ 5 seconds
Operating temperature range: 5 ~ 40ºC
Detection range: 0.00 ~ 0.19% BAC / 0.0 ~ 1.9 g/l
Power input: Tester: 3V (2 x AAA alkaline battery, not included)
Unit size: 95 x 37 x 15 mm
Print size: 12 x 12 mm

Testing Result:
Safety ≤ 0.01% BAC / 0.1 g/l
Caution 0.02 ~ 0.04% BAC / 0.2 ~ 0.4 g/l
Danger ≥ 0.05% BAC / 0.5 g/l