Quick Response Contactless Blowing Alcohol Tester Professional Digital Display Drunk Driving Detector Mini Breathalyzer breathalyzer keychain small to test alcohol disposable portable mouthpieces tester blood police grade halloween costume men for car mouthpieces machineFeatures: Keep the bottom line of safety for you, and drive to work in the early morhing without a . LCD high-definition digital display precise and easy to read accurate and sensitive, at a glance.Language algorithm, high induction chip, precision chemical sensors, present precise values.Based on high-precision chips and smart sensors, other impurities are filtered and only alcohol is left, and the test is more accurate.Blow detection, quick check, no blowpipe contact required, avoid blowpipe breeding of bacterias, blowing without contact, measurement is healthier.Built-in purification chamber scientific filtering remove air only alcohol, the quality of alcohol is too large to flow downward, impurities are automatically discharged for more accurate detection.Specification: Material: PlasticSize: As Picture ShownColor: Black/WhiteSensor type: Semiconductor type sensorDisplay: LCD liquid crystal display (black and white)Shell material: ABS plasticTest range: 0.00-0.19%BAC(0-1.9g/l)Measurement unit: mg/l (BrAC) mg/ml (BAC)Measurement mode: quick check, automatic detectionMeasurement time: 20 secondsPower supply mode: built-in rechargeable polymer lithium batteryUsing battery: 3.7V 140MAH can be tested 150 times continuouslyPower adapter requirements: DC5V 1AWorking temperature: 0-45?Warm-up time: 10 secondsBlowing time: within 10 seconds, more than 4 seconds requiredResponse time: less than 5 secondsWorking current: 250MA (max)Standby current: less than 20UAPackage Includes: 1x Alcohol Breath Tester1x Instruction Manualnote: 1.Please allow 1-2cm