Joom: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist. ----- Tips In Order To Get More Reliable Record As Possible, Advise That You Should Make The Test After Least 45 Minutes After Drinking.Sales Point \ Leader Manufacture Directly Supply. \ Patent And Greenwon Brand Product.\ Plenty Of Stock , Fast Shipment.\ Good After-Sale Service.This Is A Prefessional Police Digital Breath Alcohol Tester. High Quality And High Accuracy And Sensation, Can Respond In 5Sec. With The Port To Insert Mouthpiece. Health And Convenience.Features \ Advanced Flat Surfaced Alcohol Sensor, High Sensitivity.\ Rapid Detect Results, Quick Response And Resume.\ High Accuracy, Detection Range 0.000 - 0.199 Percent Bac / 0.00 - \ 99 Thousandth Bac / 0.00 - 0.99 Mg / L.\ Easy To Use, Light Weight. With A Bag For It, Easy To Carry.\ Low Power Consumption, Auto Power-Off. Long Span Life.\ Sensor Fault Self Checking.\ Blue-Colored Backlight Lcd Display.Description Color BlackLcd Blacklight BlueSensor Advanced Flat Surfaced Alcohol Sensor.Warm-Up Time Within 10 Seconds.Respond Time Within 5 Seconds.Operating Temperature Range 5 - 40Detection Range 0.000-0.199 Percent Bac / 0.00 - \ 99 Thousandth Bac / 0.00 - 0.99 Mg / L.Digital Display Results ( Percent Bac / Thousandth Bac / Mg / L)Power Input 3V (3 X Aaa Alkaline Battery, Not Included )How To Use The Product Product Can Effectively Detect The Alcohol Content And Concentration In Human Blood.It Is Self-Tested 30 Minutes After Drinking. It Has Good Reference Value For Vehicle Drivers.The Operation Is Simple, When The Power Is Pressed, The Led Screen Lights Up And The Startup Sound Is Emitted, Entered The Heating Mode, Few Second Enter The Blowing Mode, Blow It, Then Automatically Display The Results, Automatically Shut Down After A Few Seconds, Simple And Efficient.The Data Is Accurate To Three Digits, Andthe Multinational Me countryoforigin: Hong Kong