Professional Breathalyzer Alcohol Tester Accurate Digital Detection Device

【Professional Breathalyzer】This breathalyzer features a high-precision semiconductor alcohol sensor. It can quickly provide a result to determine whether you are fit to drive. If you are using the device for the first time or after a long period of time, it must be warmed up three times: Turn the device on and wait until it turns off. Repeat this process three times. Then blow into the breathalyzer and take a measurement.

【Measuring Range】The alcohol measuring range is 0.00-0.3 mg/L. The alcohol test result reaches its maximum value, and the value does not increase. Even if the Even with increased alcohol consumption, the test result still shows 0.3 mg/L; Note: For more accurate results, please test 3 times every 2-3 minutes to calculate the average.

【Easy to Use】Simply press and hold the start button, wait 10 seconds for the breathalyzer to warm up, blow for 3-5 seconds, and your results will be displayed on a bright, easy-to-read LCD screen 3 seconds later. (3 AAA batteries not included)

【Lightweight and Portable】This police-grade breathalyzer is small and lightweight. Easily carried in a purse or pocket. Ideal for weddings, parties, banquets, or other social events to ensure you drive safely after drinking.

【Replaceable Mouthpieces】The breathalyzer comes with 20 replaceable mouthpieces. The mouthpieces are made of food-grade material. PP, are washable and reusable. This breathalyzer is perfect as a Christmas, birthday, or New Year's gift.