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: 73 x 39 x 20 mm
Print size: 15 x 10 mm

Testing Result:

Green              ≤0.01% BAC
Yellow      0.02 ~ 0.04% BAC
Red                 ≥0.05% BAC

Additional:

1 LED torch

2 Key chain