Key features

• •Highly Accurate Breathalyzer: Personal breathalyzers utilizes a high sensitivity semiconductor sensor. No need to charge frequently, just install 2 AAA batteries (not included) to use. Each battery replacement allows for 150-180 uses, with the tester lasting up to 2000 uses. Durable and long-lasting.
• •Easy Operation: Press the power button of the alcohol breathalyzer tester, warm up for 15 seconds, "Blo" appears on the screen, blow for 3-5 seconds and wait for 5 seconds, the result will be shown on the LCD display. Note: In order to get more accurate results, please test 3 times every 2-3 minutes and take the average value.
• •Sound &Three-Color Light: After using the breathalyzers for alcohol, when the result is ≤ 0.02% BAC, light green, no alarm sound; when the result is between 0.02 ~ 0.07% BAC, light yellow and have a short alarm sound; when the result is ≥ 0.08% BAC, light red and have a strong long alarm sound.
• •Easy to Carry: Portable breathalyzer is compact and only 50g. Test anywhere, anytime, perfect for socializing and socializing, friends' parties and other activities. Keep track of your alcohol level and ensure your safe driving after drinking.
• •Product & Services: You will have: 1*breathalyzer, 10*replaceable mouthpieces, 1*instruction manual, 1*carrying bag. —-Perfect for buying Christmas gifts and New Year gifts for family and friends. If you have any questions about using a alcohol breathalyzer tester, we've got you covered!