We’ve spent hundreds of hours researching and comparing Portable Breath Testers of all specifications to find the best one for any need (or budget). Here are the results.

The Best Portable Breath Testers of 2020 – Top Rated & Reviewed

2,704 Reviews Scanned

Rank No. #1
Alcohol Breathalyzer Portable Breath Tester - Amacam AT-01 Accurate Digital Display Convenient Lightweight Pocket Design A Must if You Drive the Next Day after a Night out Drinking. Be Safe Not Sorry.
  • ⭐️ EASY TO USE: This very portable breath tester can be with you at all times. Keep it either on your keyring, handbag, purse or on your belt hook.
  • ⭐️ DURABLE COMPACT DESIGN: The AT-01 has been designed with the you the motorist in mind.
  • ⭐️ ACCURATE READINGS: This tester has been used and appreciated as a premium product by motorists in the USA and around the world.
  • ⭐️ LARGE LCD SCREEN: The background light helps you to see the read-out clearly. So avoiding any confusion and keeping you safe to go.
  • ⭐️ DIGITAL ALCOHOL BREATHALYZER: This is the latest in breathalyzer design. Plug and Play. Not complicated to set-up
Rank No. #2
Breathalyzer Breath Alcohol Tester, Portable Rechargeable Personal BAC Tester with Emergency Hammer, Semiconductor Sensor, Digital LCD Display, Professional-Grade Accuracy with Sound Alarm
  • Newest Non-Contact Breathalyzer - No need blowing test by drawing on unsanitary mouthpiece, just use this pro-grade tester alcohol 20 minutes after drinking, you can get accurate dectection result. Widely used in hospitals, road inspections for drunk driving and so on.
  • 3 Alarm Mode - 3 precise and detailed smart alarm mode, <0.02%BAC; 0.02%BAC-0.05%BAC; ≥0.05%BAC correspond to green light, yellow light, red light, indicating safety, warning, and danger. When yellow and red light are on, there will be di di…alarm sound at the same time.
  • Professional BAC tester - Built with high accuracy latest semiconductor sensor, with one-button operation, 10s start-up time, 2S response time(much faster than other alcohol tester) and 10s result display.
  • Multi-function - With latest rechargeable type-c interface, this breathalyzer can be used more than 200 times after once full charge, and the HD LCD screen can allow you clearly read the results even in the dark. Unscrew the first layer of screw cap, built-in window-breaking safety hammer can give yourself a second life in the emergency condition.
  • Easy to Use and Portable - Packed U-shaped base to hold the breathalyzer on the car console to be ready to use at anytime. The portable size and metal shell are suitable for travel and 2 common-used units (%BAC, g/l) are handy for the United States and Europe.
Rank No. #3
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
Rank No. #4
BLO UK Alcohol Breathalyzer & Mouthpiece | Portable Breath Tester with Digital LCD Screen & Fast, Accurate Blood Alcohol Content Result | 10 Disposable Mouthpieces for Clean BAC Testing | Includes Bag
  • 🚦 PERSONAL DIGITAL BREATHALYZER: This reusable alcohol tester kit (with a FREE carrying bag) monitors your Blood Alcohol Content to ensure you’re safe to get behind the wheel or to take a cab!
  • ⏳ FAST, ACCURATE RESULTS: Designed using a sensitive sensor system, our portable alcohol tester tells you if you’re over the legal limit & automatically alarms if you’ve exceeded 0.05% BAC.
  • ✨ DISPOSABLE, HYGIENIC MOUTHPIECES: Every Blo breath alcohol tester comes with 10 clear BPA free mouth tips that make it easier to quickly test & dispose without sharing the same tip every time.
  • ✔️ EASY TO USE: Simply ensure you have inserted batteries, then just attach a mouthpiece, press the start button to initialization countdown & finally blow for 3-4 seconds once "blo" displayed.
  • 🔋 WIRELESS & BATTERY POWERED: This approved set uses two AA batteries (not included) so you can keep it powered up and ready to use. Replace the batteries as needed for long-lasting support.
Rank No. #5
Aramox Professional Breathalyzer, Portable Breath Alcohol Tester, Digital LCD Screen Alcohol Breath Tester, Portable Keychain Breath Analyzer (50 mouthpieces)
  • High Accuracy Sensitive: This alcohol breath tester can be used to measure concentration of the alcohol in human body. Built-in sensitive semi-conductor sensor, Detection range: 0.00-0.19% BAC 0.0-1.9g/l (or 0.00-0.95mg/l BRAC). It can gives you a result fastly to judge whether you can drive or not within 3- 5 seconds, provides you high accuracy test result. (error less than 0.01% BAC)
  • Large Digital LCD Screen: The alcohol breath tester has a big LCD screen, it can shows the result clearly, makes you to read the result very clearly.
  • Portable: Small and compact design, lightweight 81.6 g, with handy metal chain, it is easy to hold and carry. You can put your breathalyzer into your pocket or hang with your keys, allows you use it anywhere and anytime, ensures your safe driving after drinking!
  • Awesome Gift: Comes with 10/20/50pcs mouthpieces. An affordable item for a great gift idea for your family, relatives, friends or drivers who is really need it in daily use that can help them make the right decision when it comes to alcohol and driving.
  • Service Guarantee: Excellent quality Service, fast delivery, simple after-sales.We promise satisfaction guarantee as we can.If you have any dissatisfaction,please let us know and our Aramox team will respond within 24 hours.
Rank No. #6
GREENWON Breathalyzer Keychain Digital Alcohol Tester Detector Breath Analyzer Audible Alert Portable with LCD Display and Replacement Mouthpiece Personal Use……P/Bblack
  • -★- 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.
  • -★- ENERGY-SAVING & AUTO-OFF FUNCTION. Powered by 2 x AAA batteries( not included, but commonly available), this breathalyzer will automatically shut off to save power after finishing the test for 5 seconds. Each time you install batteries, you can test more than 200 times.
  • -★- FASHION KEYCHAIN DESIGN. This alcohol breathalyzer is space-saving, lightweight. It is easy to hold and carry. Pocket-size allows you take it anywhere and anytime, ensures your safe driving after drinking.
  • -★- LARGE DIGITAL LCD SCREEN This alcohol breathalyzer has a large LCD screen with orange background Light. It is convenient for you to use this alcohol breath at night.
Rank No. #7
Breathalyzer, FFtopu Portable Breathalyzer Alcohol Tester with Digital Breath Alcohol Tester with Blue Backlight LCD Display for Personal & Professional Use with 5 Mouthpieces
  • 🍺【HIGH PRECISION】:This Alcohol Tester adopted high-precision semiconductor alcohol sensor, just need only 5 seconds can give a result to judge whether you can drive or not
  • 🔋【EASY TO USE】:Just press the power button for 2 seconds to start the professional breathalyzer, wait for 20 seconds for warming-up, then blow with the tester for 5 seconds, the result will be ready after 3 seconds, and it will be displayed on the LCD screen for 15 seconds.(2 AA battery needed--not included)
  • 🍷【5 REPLACEABLE MOUTHPIECES】: This alcohol tester comes with 5 replaceable mouthpieces, and there are 2 embedded mouthpieces at the back of the product. You don't have to worry about forgetting to take mouthpiece when you are out.
  • 🥂【PORTABLE DESIGN】: This professional alcohol breathalyzer just need small space, can be easily carried in your wallet or pocket everywhere.Great for wedding, parties, feast or other social activities, ensures your safe driving after drinking.
  • ⚠【WARM TIPS】:There is a protective film on top of our product that can be torn off! It will give you an alarm by exuding the beep when the result is higher than 0.050% BAC or 0.500‰ BAC. AND The measurement range of each unit is 0〜0.199%BAC,0〜1.99g / L,0〜O.999mg / L,0〜199mg / 100M L,0〜1.99%oProm.
Rank No. #8
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. #9
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
Rank No. #10
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

Last update on 2021-12-29 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Portable Breath Testers to Buy Now


Why You Should Buy Best Portable Breath Testers from Amazon

Amazon is not the only store that sell Portable Breath Testers. However, there are several compelling reasons why you should buy Portable Breath Testers from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Portable Breath Testers Personal

Amazon is very good at making recommendations of Portable Breath Testers based on your search history. From time to time, they will even show you discounted prices on Portable Breath Testers that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Portable Breath Testers to your cart and go through a multi-step checkout process, or you can buy Portable Breath Testers with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Portable Breath Testers, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Portable Breath Testers Images and Descriptions

In addition to still images, many of Amazon’s Portable Breath Testers have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Portable Breath Testers descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Portable Breath Testers. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Portable Breath Testers (with Price and Reviews)

Although most Portable Breath Testers are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Portable Breath Testers:

(1) Portable Breath Testers Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Portable Breath Testers should be in line with its value. You can compare Portable Breath Testers reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Portable Breath Testers is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Portable Breath Testers materials differ from manufacturer to manufacturer. Consider where and how you will be using your Portable Breath Testers to determine if one material would be better than another.

(4) Size

Like most products, Portable Breath Testerss come in various sizes. Do you need a large Portable Breath Testersor a small one? Think about where you will use your Portable Breath Testers in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Portable Breath Testerss also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Portable Breath Testers would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Portable Breath Testers will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Portable Breath Testers you purchase may affect its durability.

(7) Storage

Will you need to store your Portable Breath Testers? If so, you should consider the size and weight of the Portable Breath Testersto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Portable Breath Testers will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Portable Breath Testers. It is hard to know exactly how an Portable Breath Testers will perform until you get it home and try it out.

(9) Warranty

Make sure the Portable Breath Testers you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.