Specification:

Sensor: Semiconductor alcohol sensor
Warm-up time: ≤ 10 seconds
Respond time: ≤ 5 seconds
Operating temperature range: 5 ~ 40^oC
Detection range: 0.00 ~ 0.19% BAC
Power input: 3V (2 x AAA alkaline battery, not included)
Unit size: 98 x 38 x 16 mm
Print size: 20 x 25 mm

Testing Result:

Safety                      ≤0.01% BAC
Caution             0.02 ~ 0.04% BAC
Danger                     ≥0.05% BAC