C-AT128 Digital Alcohol Tester Specifications:Gas Sensor:Advanced Hot-Wire alcohol sensorDetection Range:0.00-1.00mg/L(0.000-0.20%BAC)Accuracy:±10%F.SPre-set Limit:0.05BAC% Warm-up Time:<10s(Initial Warm-up:18s) Testing Time:<8sDisplay:3 Digital LCD indication with red backup lightPower:3VDC(2xAAA batteries) Condition:0°~45°<=95%RH No Condesation N.Weight/pcs:45g