Features: 1 Sensor: Semiconductor alcohol sensor 2 Warm-up time: Within 10 seconds 3 Respond time: Within 5 seconds 4 Operating temperature range: 5 ~ 40 oC 5 Detection range: 0.00% - 0.40% BAC 6 Digital display results (0.00% BAC) 7 Quick response and resume 8 Manual power-off 9 Low voltage indicator 10 Power input: 3V (2 x AAA alkaline battery, not included) 11 Unit size: 105 x 42 x 19 mm Print size: 20 x 50 mm