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【Professional High-Precision Sensor 】The EK300 breathalyzer is 2024 newest version , upgraded with the great 4.0 sensor to ensure more accurate measurement results. It has gained unanimous recognition from experts, engineers, and individuals, and has FDA, CE, and ROSI certification certificates. After you drink alcohol, perhaps you need an alcohol tester that can be your good companion.

【Powerful Features】1. Record 20 test records; 2. Quickly detect results within 5 seconds; 3. Accurate to 3 decimal places; 4. It will automatically shut down when not in use.

【Easy to Operate】 After turning on, wait for 20 seconds for preheating time, then start blowing air for 3-5 seconds to get the result. When the test result is higher than 0.050% BAC or 0.500‰ BAC, a "di di di..." alarm will sound to alert you and display red.

【Portable & Replaceable Mouthpieces】 The alcohol tester is very lightweight and small, only 50g，making it easy to put in your wallet or pocket, and comes with 10 interchangeable mouthpieces; The mouthparts are made of edible PP and can be cleaned and reused; Alcohol testers are perfect for placing in pockets, backpacks, cars, and other locations to ensure safe driving after drinking;

【Package Include】 1*breathalyzer, 5* replaceable mouthpieces, 1*instruction manual. If you encounter any usage or pre purchase issues, please feel free to contact us 24 hours a day. Thank you!