Specification:

Sensor: Semiconductor alcohol sensor
Warm-up time: ≤ 10 seconds
Respond time: ≤ 5 seconds
Operating temperature range: 5 ~ 40^oC

Detection range: 0.000% ~ 0.199% BAC / 0.000 ~ 1.990%o BAC / 0.000 ~ 0.995 mg/l BrAC
Power input: 3V (2 x AAA alkaline battery, not included)
Unit size: 105 x 40 x 20 mm
Print size: 12 x 12 mm

Testing Result:

Safety               ≤ 0.019% BAC /              0.190%o BAC /            0.095 mg/l BrAC
Caution     0.020 ~ 0.049% BAC / 0.200 ~ 0.490 %o BAC/ 0.100 ~ 0.245 mg/l BrAC
Danger              ≥ 0.050% BAC /              0.500%o BAC /            0.250 mg/l BrAC

Additional:

1 Orange-colored backlight (6397S)