Breathalyser with 5 Mouthpieces,Portable Alcohol Breath Tester with Digital LCD Screen,Digital Breathalyzer to Test Alcohol Professional Grade Accuracy by Amazon.co.uk

• \u30103 Units Of Measurement\u3011There are 3 units to choose from, percent BAC, BAC, m g /l, if after drinking, it is recommended to wait 20 minutes before it has created a test, it is because 20 minutes for alcohol blood from the digestive organs. Please wait at least 3 minutes to start the next test after the last test.

• \u3010Portable\u3011Easy to operate, easy to carry, save space for you, you can put it in your pocket or bag when you are partying with friends.

• \u3010Easy to Use\u3011Just keep pressing the power button for 1 seconds to start the alcohol breathalyzer tester. Wait for 10 seconds for preheating and then keep blowing for 5-10 seconds to get the result.

• \u30105 Mouth Pieces Included\u3011Test yourself, your friends and family with the different mouthpieces. Drive safely and keep your family safe. Our breath alcohol tester meets the high standards of the roadside law enforcement, hospital employees &professionals.

• \u3010One-touch Operation\u3011Professional grade dependability. Runs on AAA batteries, you won\u2019t have to worry about recharging this device. With very long battery life and an auto power-off feature, this device will aid you when you need it the most.