ponizno Breathalyzer & Alcohol Tester with 20 Mouthpieces, LCD Display Digital Fast, High Accuracy Detector

Easy To Operate: The portable breathalyzer is extremely convenient and easy to use. Just insert 3 AAA batteries (not included), turn on the breathalyzer, wait 10 seconds for it to warm up, and then blow the exact results on the screen for 5 seconds into the tester. Automatic alarm: This breathalyzer has a large LCD screen with blue backlight.the buzzer will automatically alarm when the alcohol content is exceeded. Perfect Gift: We Offer 20 mouthpieces , Alcohol Analyser is small and lightweight,Which is perfect for testing yourself as well as your friends and family. Please Notice: After drinking, it is recommended to wait 20 minutes before testing,To get a more accurate result , please wait three minutes between each test.This Alcohol Tester, is CE certified. 100% Best Service: If you have any problem about our breathalyzer ,please be free to contact us we will try our best to meet your requirement.