Alcohol Reading: Digital,Test Range: 0.000 ~ 0.200 BAC (0.000 ~ 1.000 mg/l), Test Accuracy: 0.010 BAC (0.100 mg/l),Visual Display Range: 0.000 ~ 0.100 BAC (0.000 ~ 0.500 mg/l),Warm-up Time: 10 seconds ,Testing Time: 10 seconds , 2 Alert Modes: 0.05-0.10% and 0.10% and over BAC ,Power Source: 1 x 9V battery (not included) or car adapter (included), Working Current: ≤ 120 mA,Operation: 15C - 35C,Dimension: 118 x 68 x 29 mm, Weight: 141 grams (including 9V battery)