-Non-contact breath analyser measures blood alcohol level in the range of 0-0.999mg/l in just 20 seconds, no worse than a professional breath analyser for traffic police. - Measuring time: warm-up time 10 seconds - Equipped with modern ultra-sensitive alcohol sensor - Non-contact measurement, safe to use. Bacteriological protection - Wide detection range for trace alcohol: 0.00-0.199% CAA (0-0.999 mg/L). Non-contact measurement process is safe and hygienic for use with a large group of friends during holidays. Comfortable to operate: - Digital LCD display with indicator lights - Lasts up to 300 minutes without recharging. Easy charging with Type-C cable. - Small size (9.5 cm * 2.5 cm), even fits in your pocket. - Alcohol meter made of impact resistant plastic. Specification Measurement accuracy: 0.01 Voltage: 3.7V (v) Size: 94*23*15 (mm) Weight: 25g Power supply: 5V1A Warm-up time: 10 seconds (s) Reaction time: 3 seconds (s) Operating temperature range: -5 C ~ 45 C Storage temperature range: -20~50 Blowing continuity detection: 5 seconds (flow rate:10L/min) Display: LCD Alarm mode: beep + light colour Charging mode: DC5V1A,Type-C Packing list 1*Tester 1*USB cable