?Breath Alcohol Tester ?Dual LCD display ?Digital alcohol tester with 0.01 % BAC (0.1 g/l) increment for reading ?Detect range: 0.00~0.19 % BAC & 0.0~1.9 g/l ?Alert level calibrated ?Quick response and resume ?Auto power off ?Clock with 12/24 format ?Alarm time function ?Countdown & count-up timer keep the deadline of your parking. ?Temperature display ?Clock use 1 ?AG13 battery (included), alcohol tester use 2 ?AAA alkaline batteries (not included) ?Unit dimensions: 100 ?37 ?17 mm