ytorgr Breathalyzer with 12Pcs Mouthpieces, Portable Alcohol Breath Tester with LCD Display Screen, Digital Alcohol Tester High Accuracy and Fast (black)

【High Precision】Alcohol tester uses a high-precision semiconductor alcohol sensor, which can convert the input signal to accurate and accurate results, and issue an alert to remind it when drinking concentration is too high.
【Simple Operation】Breathalyzer adopts is inserted into the AAA battery (not included). Once the exhalation tester is warmed, “blowing” will appear on the screen. After blowing into 3-5 seconds, then wait for 10-15 seconds to appear, for best results, it is recommended to drink 20 minutes after drinking.
【LCD Display Light】Portable breathalyzer is used in a liquid crystal display, even if it is also easier to read under low light conditions, there is a blue background lamp, even at night, you can easily view the results.
【Durable 12pcs Mouthpieces】Alcohol tester is equipped with 12 mouthpieces, cleaner and reuse. Test yourself with different blowing mouths, your friends and your family. Safe driver and protect your home security.
【Portable Design】The alcohol tester is very small and can be easily carried in the wallet or pocket. It is ideal for wedding, party, banquet or other social activities to ensure your security.