AM01 High Precision LCD Screen Breath Blowing Alcohol Concentration Tester USB Charging Non-contact Drunk Driving Breathalyzer Detector •Compact size,easy to carry and easy to use •Built-in large capacity battery,USB charging for long time using •Dust-proof design,non-contact type is more hygienic •High sensing chip,high precision sensor,accurate readings •Large LED screen digital display,easy to read,clear values •Specification: •Model: AM01 •Sensor type: semiconductor sensor •Display: LCD display •Shell material: ABS plastic •Test range: 0.00-0.19%BAC (0-1.9g/l) •Unit of measurement: mg/l (BrAC) mg/ml (BAC) •Measuring time: 20 seconds •Power supply: Built-in rechargeable polymer lithium battery •Battery: 3.7V 140mAh(can test 150 times continuously) •Power adapter requirements: DC5V 1A •Working temperature: 0-45℃ •Warm-up time: 10 seconds •Blowing time: within 10 seconds,the requirement is greater than 4 seconds •Response time: less than 5 seconds •Working current: 250MA (max) •Standby current: less than 20UA Package included: •1 x Alcohol Tester •1 x Charging Cable •1 x English and Chinese User Manual