Alcohol Breathalyzer, Alcohol Breath Tester for Testing, Portable Alcohol Tester with 20 Mouthpieces & Digital Blue LCD Display for Personal Home Use

【Breathalyzer】The breathalyzer uses alcohol sensor, for personal reference only.
【Easy to Use】The alcohol breath tester is extremely easy to use. Simply insert the 3*AAA batteries（included）, insert the mouthpiece, and wait for the 15 seconds warm-up time. Then blow to the alcohol breath tester for at least 5s, and will get real-time answers within 3 seconds. For more test results, please wait 20 minutes after drinking alcohol for using the alcohol tester.
【LCD Display & Sound Warning】Alcohol Breathalyzer with bright, easy-to-read LCD screen and 3 common-used units (%, ‰, mg/L), when the test results come out, hold the button to change the units. And if the result high than 0.05%, 0.5‰, or 0.25mg/L, the alcohol tester will automatically sound an audible warning.
【20 Replaceable Mouthpieces】Comes with 20 replaceable mouthpieces and is washable and reusable. 20 mouthpieces can meet the needs of you and your friends and family at the same time and maintains health and hygiene alcohol test.
【Portable & Convenience】The blood alcohol tester is small and light and can easily be carried in your bag or pocket. We also have a bag for perfect storage making it very convenient to carry. Good for parties, banquets, or other activities.