Our website is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

The Best Portable Breathalyzer Reviews of 2021 – Top 10 and Rankings

If you’re looking for Portable Breathalyzer Reviews but don’t know which one is the best, we recommend the first out of 10 Portable Breathalyzer Reviews in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
BLO Pro Portable Breathalyzer to Test Alcohol BAC with 10 Mouthpieces, LCD Screen, and Precision Accuracy Blood Alcohol Content Results, Personal or Professional Breath Testing, DOT Approved
  • Digital BAC Breathalyzer Tester – This breath alcohol tester gives you fast, accurate readings of blood alcohol content (BAC) levels in real time with consistent readings that can be used for personal, hospital, treatment, or law enforcement needs.
  • Advanced Breath Testing Accuracy – Blowing into this BAC tracker breathalyzer will provide you with instant results within 0.004% BAC. The alarm will sound at 0.02% BAC and 0.05% BAC as both warning and danger alerts regarding legal limits.
  • Handheld, Portable Design – Our breathalyzer to test alcohol is small enough to fit into a backpack, purse, travel bag, emergency kit, or even glovebox in your car, so you can use it to measure if you’re safe to drive or need to take public transportation.
  • Disposable Plastic Mouthpieces – Each BAC breathalyzer also comes with 10 BPA-free plastic mouth tips that attach in seconds and let you test yourself, a friend, or person safely and with improved hygiene. Order additional tips as needed.
  • Simple One-Touch Operation – This rechargeable breathalyzer testing machine captures breath samples with a single button. It counts down from 10 and then requires a 5-second continuous breath. After which the BAC is displayed in real time.
Rank No. #2
Breathalyzer, Rofeer Digital Blue LED Screen Portable Breath Alcohol Tester with 5 Mouthpieces for Drivers Or Home Use, Auto Power Off, Sound Alarm, Current Temperature Display
  • 6 Measurement Units and 32 Records: There are six commonly used measurement units for you to choose (%BAC, ‰BAC, mg/L, g/L, mg/100ml, ‰PROM). The latest 32 measurement results can be recorded. The measurement range of each unit is 0~0.199% BAC, 0~1.999‰BAC, 0~1.999g/L, 0~0.999mg/L, 0~1999mg/100ml, 0~1.999‰PROM.
  • Sound Warning and Color Distinction: In addition to the numbers displayed, the results can be distinguished by sound and color. The screen will turn green and the alarm will make a "di"sound if the result is lower than warning value. The screen will turn yellow and the alarm will make sound as "di di" if the result is between warning value and dangerous value. The screen will turn red and the alarm will make sound as "di di di..." for about 15 seconds if the result is higher than dangerous value
  • Easy to Use: Just keep pressing the power button for 2 seconds to start the alcohol breathalyzer tester. Wait for 15 seconds for preheating and then keep blowing for 3-5 seconds to get the result. The result will be displayed on the LCD screen of breathalyzers for 15 seconds. NOTE: In order to make the test results more accurate, please use the alcohol tester after stopping drinking for 20 minutes, and the interval time of each test should be kept for 2~3 minutes.
  • Compact, Energy-saving and 5 Washable Mouthpieces: The blood alcohol breathalyzer is only 4.84in*2.17in*0.75in, so it can be placed in a wallet or pocket easily. It is powered by 3AAA battery, it will automatically power off after 15 seconds of no operation in order to save power. Five of mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.
Rank No. #3
Breathalyzer to Test Alcohol, Professional-Grade Accuracy Sensor Alcohol Tester with Rechargeable Battery, 10 Seconds Detect Results, LCD Screen for Personal, Professional, Drivers, Home Use
  • 【𝐏𝐋𝐀𝐓𝐈𝐍𝐔𝐌 𝐒𝐄𝐍𝐒𝐄𝐑 𝐅𝐎𝐑 𝐀𝐂𝐂𝐔𝐑𝐀𝐓𝐄𝐋𝐘 𝐓𝐄𝐒𝐓】Equip with the UK platinum fuel cell sensor, Mr. Black 03 has a 0.001 third decimal place accuracy. Highly trusted by hospitals, clinics, and even law enforcement. The breath alcohol tester also provides you a reliable and stable result within 1.75% deviations every time when you test, good for Personal, Professional, third part organization, drivers, Party, home use.
  • 【𝐄𝐀𝐒𝐘 𝐔𝐒𝐄 𝐍𝐎 𝐖𝐀𝐑𝐌-𝐔𝐏】Simply press one button and blowing for 5 seconds, then waiting for about 8 seconds, the colored will show up the result accurate to the third decimal place, making it the top choice of safety-conscious individuals as a portable home breathalyzer. Five of mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.
  • 【𝐋𝐂𝐃 𝐂𝐎𝐋𝐎𝐑𝐄𝐃 𝐒𝐂𝐑𝐄𝐄𝐍 & 𝟏𝟎 𝐑𝐄𝐂𝐎𝐑𝐃𝐒】The LCD screen can show up the result clearly no matter in dark or under the sun, the tester will make a "di" sound when the test is completed. And the breath alcohol analyzer can record 10 records of the result so that you can know your history performance.
  • 【𝐄𝐀𝐒𝐘 𝐂𝐀𝐑𝐑𝐘 & 𝐋𝐎𝐍𝐆 𝐔𝐒𝐈𝐍𝐆 𝐓𝐈𝐌𝐄】Power by a rechargeable 1000 mAh Li-ion battery, Mr Black 03 can be used for at least 200 times, and the charging cable include let you charge the portable breath alcohol tester any time in the car or at home. Come with a carrying case to protect your breath alcohol analyzer,and a weight of 135 gram and 45.5in x 2.6in x 1.1in dimension, make it easy to carry.
  • 【𝐖𝐀𝐑𝐑𝐀𝐍𝐓𝐘 & 𝐒𝐄𝐑𝐕𝐈𝐂𝐄】We are confident that our Mr. Black 03 Breath Alcohol Tester has a good quality and accurate test result, we provide 48-days money-back and 24-month warranty. So feel free to contact us if you have any question
Rank No. #4
JASTEK Breathalyzer, Professional Portable Digital Alcohol Tester with 10 Mouthpieces for Personal Use -Black
  • PORTABLE BREATHALYZER WITH 3 UNIQUE FEATURES: A) the breathalyzer test rating is adjustable with 6 common-used units (%BAC-US, g/l-EU, mg/L-JP, mg/100ml-CN, ‰BAC-RU, ‰prom-PL); B) CAUTION and ALARMING values can be set by users based on your own need; C) up to 32 recent testing records for your checking; the testing results ranging from 0.000-0.190%BAC / 0.000-0.950 mg / L with this alcohol breathalyzer tester
  • EASY TO USE: Just press the power button for 2 seconds to start the professional breathalyzer alcohol tester, wait for 20 seconds for warming-up, then blow with the tester for 5-6 seconds, the result will be ready after 3 seconds, and it will be displayed on the LCD screen for 15 seconds
  • BREATHALYZER WITH SMART ALARM FUNCTION & ENERGY-SAVED DESIGN: when the test result is higher than 0.05% BAC / 0.5 ‰ BAC, the red light of digital breathalyzer flashes and a continuous drop sound is emitted to remind the user. Powered by 3AAA alkaline batteries (not included), it will auto power-off to save power after finishing the test for 5 seconds. Moreover, designed with low voltage indication for this alcohol tester
  • NOTE: In order to make the test results accurately, when using the Breathalyzer to test alcohol, please test with the alcohol breathalyzer 20 minutes later after drinking; please wait for another 3 minutes before starting the next test to get the precise testing result
  • WHAT YOU GET: JASTEK Professional Breathalyzer Alcohol Tester x1, User manual x1, Mouthpieces x5, Carrying String x1. Our Breathalyzer provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us
Rank No. #5
BACtrack S80 Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Approved | FDA 510(k) Cleared | Portable Breath Alcohol Tester for Personal & Professional Use
  • #1 RATED BREATHALYZER BY WIRECUTTER - "After 65 hours of research, which included getting intoxicated at a police station to test personal breathalyzers alongside law enforcement equipment, we're sure the BACtrack S80 is the most accurate, reliable, and easiest-to-use personal breathalyzer that you can buy." - TheWirecutter, February 2017
  • PRACTICAL & EASY TO USE - Blow for 5 seconds and your BAC results are displayed 10 seconds later on a bright, easy to read LCD screen. Alcohol tester breathalyzer AA battery powered, comes with 6 reusable mouthpieces. Wait 15 minutes after consuming alcohol for the most accurate result.
  • THE MOST ACCURATE BREATHALYZER AVAILABLE - In your efforts to drive more responsibly you need the most accurate results. While some breath testers give inconsistent readings and leave you wondering what your true BAC reading is, BACtrack breathalyzers will always give you police grade accuracy.
  • DOT APPROVED IN ALL 50 STATES - FDA 510(k) CLEARED - A portable alcohol tester designed to surpass the most rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital and treatment professionals. Response Time 3 Seconds
  • ONE YEAR WARRANTY - Designed to read thousands of times with accurate results every time. When used correctly, testing 15 minutes after eating or drinking, BACtrack will last for years. All BACtracks also come with a full one year warranty, should any issues arise.
Rank No. #6
BACtrack Element Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
  • PRO-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Element utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Element is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer and begin testing. It's that easy; Your BAC results are displayed 10 seconds later on a bright LCD screen
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees & treatment professionals, the Element is compliant with US DOT & NHTSA regulations for alcohol screening devices
  • SMALL & PORTABLE SIZE - The Element is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go; Measuring just 4.25 x 1.875 x 0.625 inches, it's much smaller than an iPhone, and easily fits in a purse or pocket
  • ONE YEAR WARRANTY - If your BACtrack Element ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge when purchased from an authorized retailer
Rank No. #7
Tektrade Professional Breathalyzer Keychain, Portable Breath Alcohol Tester Red Backlit Breath Analyzer High-Precision Breathalizer with LCD Display, Black
  • HIGH ACCURACY & SENSITIVE . This breath alcohol tester is used to measure concentration of the alcohol in human body. With sensitive semi-conductor sensor, this portable breathalyzer can quickly give a result to judge whether you can drive or not(only 5 seconds). Provide you high accuracy test result, detection range: 0.00-0.19% BAC / 0.00-0.95 mg/L
  • SAVING POWER: The breath alcohol tester is power by Universal AAA batteries. It will auto-sleep 5 seconds after test.
  • EASY TO USE: The personal breathalyzer is extremely easy to use. The back light screen is clear while using the breath alcohol tester at night. there are extra mouthpieces used to test, clean and convenient.
  • COMPACT DESIGN. This breathalyzer alcohol tester is space-saving, lightweight, portable, it is easy to hold and carry. The cloth bag provides much convenience,you can put your breathalyzer into this bag when you do not use it. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking.
  • KEY CHAIN AND 5 MOUTHPIECES: breathalyzer with red backlight for ease of carry and portability!
Rank No. #8
BACtrack Scout Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
  • PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Scout utilizes the same pro-grade technology trusted by hospitals, clinics, and even law enforcement.
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Scout is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer and begin testing. It's that easy. Your BAC results are displayed 10 seconds later on a bright LCD screen.
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees & treatment professionals, the Scout is compliant with US DOT & NHTSA regulations for alcohol screening devices.
  • SMALL & PORTABLE SIZE - The Scout is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go. Measuring just 4.25 x 1.875 x 0.625 inches, it's much smaller than an iPhone, and easily fits in a purse or pocket.
  • ONE YEAR WARRANTY - BACtrack stands behind every product we manufacture and sell, but if during the first year of operation any unit ceases to function properly, we will repair or replace the defective product at no charge.
Rank No. #9
BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
  • POLICE-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the Trace utilizes the same police-grade technology trusted by hospitals, clinics, and even law enforcement. These professional organizations trust BACtrack breath alcohol testers because they know they are getting the most accurate and reliable BAC results possible, every time they test. The Trace can detect trace amounts of alcohol, reliably handles high BAC levels and is accurate to the third decimal place, Sensor Accuracy + or - 0.005 at 0.050 percentage BAC
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Trace is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer and begin testing. It's that easy. Your BAC results are displayed 10 seconds later on a bright, easy to read LCD screen. It's convenient and practical built-in flashback memory saves the last 10 BAC readings for later reference.
  • DOT/NHTSA APPROVED - The BACtrack Trace was designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees and treatment professionals. Designated by the U.S. Dept. of Transportation & National Highway Traffic Safety Administration as an approved breath alcohol screening device, the Trace is also listed with FDA as a medical device, making it the top choice of safety-conscious individuals seeking a portable breathalyzer for home use.
  • SMALL & PORTABLE SIZE - The Trace is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go. Measuring just 4.25 x 1.875 x 0.625 inches, it's smaller than an iPhone 5, and easily fits in a purse or pocket. Test yourself and friends, or a family member. From individuals, parents and college students to dinner party hosts or bar employees, the Trace really is perfect for anyone looking for a quick, easy and reliable way to test their BAC.
  • The warm up time is 10-20 seconds and the blowing time is 5 seconds
SaleRank No. #10
EK916 Breathalyzer, FFtopu Professional-Grade Accuracy Breath Alcohol Tester, USB Rechargeable Portable Breath Alcohol Tester with Backlight LCD Display and 10 Mouthpieces for Personal & Police Use
  • 【Advanced Alcohol Tester】:This Breathalyzers will always give you police grade accuracy which rechargeable and has a long service life. It comes with ten spare Mouthpieces for you and your family or friends to use.
  • 【Easy to operate】Just long press the power button for 1 second to start the alcohol breathalyzer tester. Wait for 5 seconds “PH” for preheating and then keep blowing for 5 seconds to get the accuracy result. NOTE: In order to make the test results more accurate, please use the alcohol tester after stopping drinking for 20 minutes.
  • 【Environmental protection and energy saving】The Alcohol Tester will automatically power off after 15 seconds of no operation which in order to save power. Though USB charging port design, it can reduce pollution caused by waste batteries And Ten of mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.
  • 【Audible alarm】: If the testing value is lower than warning value, the alarm will make a "di" sound to indicate safety; If the testing value is between the warning value and the danger value, the alarm will make sound as"di di di";If the testing value is higher than danger value 0.05% BAC, the alarm will keep making sound as "di di di... for about 15 seconds.
  • 【Perfect after-sales service】: If you are not satisfied with this breathalyzer, you are welcome to contact us at any time and put forward your valuable opinions. Your satisfaction is our greatest motivation.

How Do You Buy The Best Portable Breathalyzer Reviews of 2021?

Do you get stressed out thinking about shopping for a great Portable Breathalyzer Reviews? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Portable Breathalyzer Reviews, which is why we have assembled a comprehensive list of the greatest Portable Breathalyzer Reviews available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Portable Breathalyzer Reviews that you consider buying. Your questions might include the following:

  • Is it worth buying an Portable Breathalyzer Reviews?
  • What benefits are there with buying an Portable Breathalyzer Reviews?
  • What factors deserve consideration when shopping for an effective Portable Breathalyzer Reviews?
  • Why is it crucial to invest in any Portable Breathalyzer Reviews, much less the best one?
  • Which Portable Breathalyzer Reviews are good in the current market?
  • Where can you find information like this about Portable Breathalyzer Reviews?

We’re convinced that you likely have far more questions than just these regarding Portable Breathalyzer Reviews, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Portable Breathalyzer Reviews, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Portable Breathalyzer Reviews. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Portable Breathalyzer Reviews buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Portable Breathalyzer Reviews currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Portable Breathalyzer Reviews has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an Portable Breathalyzer Reviews?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Portable Breathalyzer Reviews.
  5. Customer Ratings: Number ratings grade Portable Breathalyzer Reviews objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Portable Breathalyzer Reviews.
  7. Product Quality: You don’t always get what you pay for with an Portable Breathalyzer Reviews, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Portable Breathalyzer Reviews is should be an indication of how long it will work out for you.

We always remember that maintaining Portable Breathalyzer Reviews information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Portable Breathalyzer Reviews is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.