Best Breathalyzer For Marijuana In May 2025

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To help you choose the Best Breathalyzer For Marijuana, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best Breathalyzer For Marijuana.

Top Rated Best Breathalyzer For Marijuana Of 2025

Rank	Product Name	Score
1	Breathalyzer, Rofeer Digital Blue LED Screen Portable Breath Alcohol Tester with 5 Mouthpieces Buy Now	9.7 Buy Now
2	BACtrack Keychain Breathalyzer Portable Keyring Breath Alcohol Tester, Black Buy Now	9.5 Buy Now
3	BACtrack Go Keychain Breathalyzer, Portable Keyring Breath Alcohol Tester, White Buy Now	9.1 Buy Now
4	Breathalyzer, [FDA Certification] VEIPAO Professional Alcohol Tester, USB Rechargeable Portable and Easy Buy Now	8.8 Buy Now
5	Breathalyzer, WEIO Professional Alcohol Tester, Portable and Easy for Personal Use Alcohol Breathalysers Buy Now	8.6 Buy Now
6	Breathalyzer, LAMJAD Professional Alcohol Tester with 20 Mouthpieces, Portable Breath Alcohol Tester Buy Now	8.3 Buy Now
7	BACtrack Scout Breathalyzer | Professional-Grade Accuracy | Portable Breath Alcohol Tester for Personal Buy Now	8.1 Buy Now
8	Breathalyzer, Professional Breath Alcohol Tester, Digital Battery Power Alcohol Detector with LCD Display Buy Now	7.8 Buy Now
9	BACtrack Professional Breathalyzer Mouthpieces (50 Count) | Compatible with BACtrack S80, Trace, Scout Buy Now	7.5 Buy Now
10	BACtrack Scout Breathalyzer | Professional Grade Accuracy | Portable Breath Alcohol Tester Buy Now	7.2 Buy Now

1. Breathalyzer, Rofeer Digital Blue LED Screen Portable Breath Alcohol Tester with 5 Mouthpieces

• 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 stop...
• 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 fri...
• 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, 0~1.999bac, 0~1.999g/l, 0~0.999mg/l, 0~1999mg/100ml, 0~1.999prom.
• Quality assurance is always our original intention. if you have any question or are dissatisfied with the product, please feel free to contact us.
• 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 thealarmwillmakea"di"soundiftheresultislowerthanwarningvalue. the screen will turn yellow andthealarmwillmakesoundas "didi" iftheresultisbetweenwarningvalue and dangerousvalue. the scree...

2. BACtrack Keychain Breathalyzer Portable Keyring Breath Alcohol Tester, Black

• Ultra-compact design - fits inside a purse or pocket and can be easily used as a keychain. warm-up time is 11-13 seconds. battery life is approximately 150 tests
• One touch operation - simply power on your bactrack keychain and bac results are displayed on a bright, easy-to-read lcd display in seconds
• Effective breath capture - the innovative fold-out mouthpiece ensures only your breath goes into the breathalyzer, while ambient air, fumes, and other airborne gases are kept out.
• Manufactured by bactrack - the #1 most-trusted brand of breathalyzers, with over 14 years of experience providing the most accurate, convenient and affordable breath alcohol testing devices on the market
• Advanced microcheck sensor technology - bactrack's proprietary sensor technology delivers reliable, accurate bac results you can trust.

3. BACtrack Go Keychain Breathalyzer, Portable Keyring Breath Alcohol Tester, White

• Designed in california and created by bactrack, the #1 most trusted brand of breathalyzers in north america, with over 13 years of experience in the breathalyzer industry.
• Folding mouthpiece maximizes portability and ease of use. dimensions 1.45 x 0.55 x 2.44 inches (3.7 x 1.4 x 6.2 cm)
• Displays bac results on an easy-to-read 3-digit lcd display
• Stay informed of your bac and make smarter, more informed decisions
• Affordable with a take-anywhere small, sturdy design

4. Breathalyzer, [FDA Certification] VEIPAO Professional Alcohol Tester, USB Rechargeable Portable and

• Automatic alarm calculation & power offcan customized the warning and danger value according to local standards of drunk driving. there are 3 prompts: safe, warning, danger. if the result of the measurement exceeds the safe value, the breathalyzer will warn you with an audible alarm. this alcohol tester will shut off automatically 15 seconds after the test is complet...
• Reusable & easy to carry breath alcohol tester comes with 10 pieces of the mouthpiece and 1 cloth bag, the mouthpieces can be cleaned and recycled, great for your family or friend to test. this professional alcohol breathalyzer with a compact design, just need small space, can be easily carried in your wallet or pocket, anytime, anywhere. great for wedding, parties, ...
• Warm tipsthe warm up time of this breath alcohol tester is 15 seconds and the blowing time is 5 seconds. if you haven't used it for 15 days, please open it 3 times before using it next time. please blow 3 times in a row and take the median to obtain accurate test results. the results are only for reference and should not be considered as reasons for drinking and driv...
• High accuracy & digital lcd display sensitive semiconductor sensor accurately display alcohol content within seconds. the alcohol tester with a large led display, you can read the data from the meter easily, and show how drunk you are and whether you can drive or not: screen shows green: the testing value is lower than warning value, screen shows yellow: the testing ...
• Rechargeable & practical & easy to use the portable alcohol tester come with a usb cable, rechargeable and extremely practical and easy to use, just turn on your breathalyzer and start testing, and your bac results are displayed 10 seconds later on a bright, easy to read lcd screen. should you want more control, you can easily change the units of measurement and set ...

5. Breathalyzer, WEIO Professional Alcohol Tester, Portable and Easy for Personal Use Alcohol

• Practical & easy to use the portable alcohol tester is extremely practical and easy to use. just insert the two 1.5v aa batteries(batteries not included), turn on your breathalyzer and start testing. and your bac results are displayed 10 seconds later on a bright, easy to read lcd screen. the alcohol breathalyzer is really perfect for anyone looking for a quick, easy...
• Reusable & easy to carry breath alcohol tester comes with 10 pieces of the mouthpiece and 1 cloth bag, the mouthpieces can be cleaned and recycled, great for your family or friend to test. this professional alcohol breathalyzer with a compact design, just need small space, can be easily carried in your wallet or pocket, anytime, anywhere. great for wedding, parties, ...
• High accuracy & digital lcd display sensitive semiconductor sensor accurately display alcohol content within seconds. this breathalyzer gives you a highly accurate test result, reliably withstands high bak values. the alcohol tester with a large led display and red number, you can read the data from the meter easily, and show how drunk you are and whether you can dri...
• Automatic alarm calculation & energy saving modeif the result of the measurement exceeds 0.5 bac, the breathalyzer will warn you with an audible alarm. this alcohol tester will shut off automatically 5 seconds after the test is completed, energy saving and environmental protection. in addition, it has a battery level indicator.
• Warm tipsthe warm up time of this breath alcohol tester is 15 seconds and the blowing time is 5 seconds. if you haven't used it for 15 days, please open it 3 times before using it next time. please blow 3 times in a row and take the median to obtain accurate test results. the results are only for reference and should not be considered as reasons for drinking and driv...

6. Breathalyzer, LAMJAD Professional Alcohol Tester with 20 Mouthpieces, Portable Breath Alcohol Tester

• Loud alarm sounds -please try to change new batteries if the product not turning on.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, 0.500 bac or 0.250mg/l(brac). lamjad breathalyzer alcohol tester provides 12-month after-sales service, if you are not satisfie...
• High accuracy - this alcohol tester adopted high-precision semiconductor alcohol sensor. it can quickly give a result to judge whether you can drive or not(only 5 seconds). bring convenience to everyone's life, increase the sense of pleasure and happiness is our driving force.
• Portable design - this breathalyzer alcohol tester is easy to hold and carry. the white cloth bag provides much convenience for you to take it anywhere and anytime, ensures your safe driving after drinking.
• 20 replaceable mouthpieces - this alcohol tester comes with 20 replaceable mouthpieces, and there are five embedded mouthpieces at the back of the product. you don't have to worry about forgetting to take mouthpiece when you are out.
• Easy to use - just press the power button for 2 seconds to start the professional breathalyzer, wait for 15 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.(3 aaa battery needed--not included)

7. BACtrack Scout Breathalyzer | Professional-Grade Accuracy | Portable Breath Alcohol Tester for

• 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.
• 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.
• 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.
• 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.
• 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.

8. Breathalyzer, Professional Breath Alcohol Tester, Digital Battery Power Alcohol Detector with LCD

• Easy to take anywhere --- our breathalyzer for alcohol testing is small and easily fits in a purse or pocket. test yourself and your friends, or the family. from individuals, parents and college students to dinner party hosts or bar employees, the breath alcohol tester really is perfect for anyone looking for a quick, easy and reliable way to test.
• Large lcd screen --- the reading results are displayed on the lcd screen with blue backlight. even in a gloomy environment, the graphic will be seen clearly with a wet finger.
• Smart & fast result --- with the sound alarm function, when the alcohol content is exceeded, the buzzer will automatically alarm. automatic alarm, monitoring your alcohol level at all times.
• One touch operation --- the breathalyzers are extremely easy to use. simply insert the three included lr03 aaa batteries, power on your breathalyzer and begin testing. you are able to easily change units of measurements and set user-defined bac thresholds for testing.
• Sensitive and high accuracy --- our breath alcohol tester for driver alcohol testing will automatically warm you once the test result is above 0.05%bac or 0.50bac or 0.25mg/l or 50mg/100ml with hight accuracy.

9. BACtrack Professional Breathalyzer Mouthpieces (50 Count) | Compatible with BACtrack S80, Trace,

• Makes testing your friends and family easy and sanitary
• Compatible with the following backtrack breathalyzers: s82, s80, s78, s75, s70, s50, s30, element & trace
• Manufactured by backtrack, the #1 most-trusted brand of breathalyzers, with over 16 years of experience providing the most accurate, convenient and affordable breath alcohol testing devices on the market
• Removable, washable & reusable

10. BACtrack Scout Breathalyzer | Professional Grade Accuracy | Portable Breath Alcohol Tester

• 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.
• Small & portable size - the scout is bactrack's smallest police grade breathalyzer. it easily fits in a pocket or purse, making it easy to take with you anywhere you go.
• Optimal breath capture - mini-solenoid internal breath pump ensures the most accurate and efficient breath capture for alcohol testing.
• 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.
• 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.