Automatic Alcohol Tester Professional Breath Tester Non-contact LCD Display Portable Rechargeable Breathalyzer Alcohol Detector Test Tools Semiconductor Sensor Specification: Product Name: Alcohol Tester Color: Black, White Sensor type: Semiconductor type sensor Display: LCD liquid crystal display Shell material: ABS+PC Test range: 0.00-0.19%BAC(0-1.9g/l) Measurement unit: mg/l (BrAC) mg/ml (BAC) Measurement mode: quick check, automatic detection Measurement time: 20 seconds Power supply mode: built-in rechargeable polymer lithium battery Using battery: 3.7V 200mAh can be continuously tested for 150 times Power adapter requirements: DC5V 1A Working temperature: 0-45 Warm-up time: 10 seconds Blowing time: within 10 seconds, more than 4 seconds required Response time: less than 5 seconds Working current: 250MA (max) Standby current: less than 20UA Product size: about 99.6*29*15mm/3.92*1.14*0.59 inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. 1*Alcohol Tester 1*Charging Cable 1*Instruction