Specification： Origin：Mainland China Material：ABS Color：Black Voltage：4.5V Current：120mA Battery：No. 7 battery (AAA 1.5V) Using Temperature Range：-5℃~+45℃ Storage Temperature Range：-20℃~+50℃ Indicator：Green/Yellow/Red Voice：English Detection Method：Semiconductor Gas Sensor Breath Alcohol Concentration Measurement Range：0-200mg/100ml Measurement Object：Breath Alcohol Concentration LED Emergency Light：White Light Size：99×48×23.1 mm / 3.86×1.87×0.9 in.
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