【Accurate Alcohol Breathalyzer】: Breath alcohol tester use the professional-grade technology trusted.This breathalyzer uses a high-precision semiconductor alcohol sensor to monitor your ...

【User-Friendly Operation】 Just insert the 2* AAA batteries, then need to press the button for seconds to start, and 15 seconds to warm up, then blow to the breathalyzer tester for 3-5s and ...

Do you own a personal breathalyzer? If it’s been awhile since you’ve had it, do you know for sure if the device will correctly display your blood alcohol level? Have you ever had the device ...