Check expert advices for breathalyzer test?
When you looking for breathalyzer test, you must consider not only the quality but also price and customer reviews. But among hundreds of product with different price range, choosing suitable breathalyzer test is not an easy task. In this post, we show you how to find the right breathalyzer test along with our top-rated reviews. Please check out our suggestions to find the best breathalyzer test for you.
Best breathalyzer test
![JASTEK Professional Breathalyzer [New Version] Portable Digital Alcohol Tester Detector with 5 Mouthpieces for Personal Use -Black](https://images-na.ssl-images-amazon.com/images/I/41dA2mX8J5L.jpg)
![Breathalyzer, [2018 Upgraded] Warmhoming Portable Breath Alcohol Tester LED Screen with Mouthpieces for Home Use (Black)](https://images-na.ssl-images-amazon.com/images/I/41K35UrVwTL.jpg)
![Breathalyzer, [2018 Upgraded] Warmhoming Portable Breath Alcohol Tester LED Screen with Mouthpieces for Home Use (Silver)](https://images-na.ssl-images-amazon.com/images/I/41beD9w86JL.jpg)
1. BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional Smartphone Bluetooth Connectivity to iPhone & Android Devices
Feature
PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the BACtrack C6 utilizes the same pro-grade technology trusted by hospitals, clinics, and even law enforcement.DUAL-MODE OPERATION - Choose "Standalone Mode" and your BAC results are delivered directly to a bright, easy-to-read OLED screen. Alternatively, choose "App Mode" and the BACtrack C6 wirelessly delivers your BAC results to your smartphone via Bluetooth.
ZEROLINE TECHNOLOGY - With BACtrack's innovative Zero Line technology, you're in control of your night. After your BAC results are delivered, Zero Line estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
ULTRA-PORTABLE - The smallest pro-grade alcohol tester ever created, the BACtrack C6 is roughly the size of a 9V battery and weighs only 1.5oz. Attach it to your keys or put it in your pocket or purse and have it with you any time you drink!
30 DAY MONEY-BACK GUARANTEE & ONE YEAR WARRANTY - We stand by all our products, but if you are unhappy with your BACtrack, you may return it any time during the first 30 days. All BACtracks also come with a one year warranty, no matter where you purchase.
Description
Powered by BACtrack's proprietary BluFire fuel cell sensor technology, the all-new for 2018 BACtrack C6 Keychain Breathalyzer is the smallest professional-grade alcohol tester ever created! Roughly the size of a 9V battery and weighing only 1.5oz, the C6 delivers reliable and accurate BAC results from a tiny, yet powerful package. The C6 is also the first BACtrack to offer the new "Dual-Mode" operation. Choose "Standalone Mode" and your BAC results are delivered directly to a bright, easy-to-read OLED screen. Alternatively, choose "App Mode" and the BACtrack C6 seamlessly pairs with your smartphone via Bluetooth. Using the free BACtrack App, you can quickly and easily estimate your BAC, track your results over time, and with Zero Line, estimate when your BAC will return to 0.00%. You can even call an Uber or Lyft directly from the App if you've had too much. Perfect for any social situation, from happy hour to dinner parties, the ultra-portable BACtrack C6 key chain breathalyzer will help you and your friends drink smarter and make better decisions while drinking.2. BACtrack S80 Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Approved | FDA 510(k) Cleared | Portable Breath Alcohol Tester for Personal & Professional Use
Feature
#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 2017POLICE-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, the S80 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 S80 can detect trace amounts of alcohol, reliably handles high BAC levels and is accurate to the third decimal place.
SIMPLE, ONE-BUTTON OPERATION - The BACtrack S80 is extremely easy to use. Simply insert the two included AA 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. Should you want more control, you are able to easily change units of measurements and set user-defined BAC thresholds for testing.
DOT/NHTSA APPROVED & FDA 510(k) CLEARED - The BACtrack S80 was designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital and treatment professionals. Designated by the U.S. Dept. of Transportation & National Highway Traffic Safety Administration as an approved breath alcohol screening device, the S80 has also been cleared by the FDA for personal use, making it the top choice of safety-conscious individuals as a portable home breathalyzer.
30 DAY MONEY-BACK GUARANTEE & ONE YEAR WARRANTY - BACtrack is the global leader in breathalyzers, providing the most accurate, convenient and affordable breathalyzers on the market, since 2001. We stand by all our products, but if you are unhappy with your BACtrack, you may return it any time during the first 30 days. All BACtracks also come with a full one year warranty, should you have any issues during your first year. Please contact BACtrack's customer service team for more information. If the unit is powered on outside of the acceptable temperature range (0-40 C or 32-104 F)
Description
Powered by BACtrack's largest Xtend Platinum Fuel Cell Sensor, the BACtrack S80 Professional Breathalyzer is the most accurate breathalyzer in the BACtrack family, delivering reliable BAC results, with professional-grade accuracy. From being used as an alcohol detector for employees in businesses, to acting as an alcohol tester for patients in clinics or treatment centers, the S80 is perfect for a variety of professional alcohol sensing, detecting and testing applications. And because of its reliability and portable design, it's also great as a personal BAC breathalyzer. Help friends and family make better decisions while drinking with the accurate and affordable BACtrack S80 alcohol breathalyzer.
3. BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use
Feature
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 BACSIMPLE, 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
Description
Powered by BACtrack's state-of-the-art Xtend Platinum Fuel Cell Sensor technology, the BACtrack Trace Professional Breathalyzer delivers reliable and accurate BAC results, with police-grade accuracy. From being used as an alcohol detector for employees in businesses to acting as an alcohol tester for patients in clinics or treatment centers, the Trace is perfect for a variety of professional alcohol sensing, detecting and testing applications. And because of its small size and portable design, it's also works great as a personal BAC breathalyzer. Help friends and family make better decisions while drinking with the accurate and affordable BACtrack Trace alcohol breathalyzer. The warm up time is 10-20 seconds and the blowing time is 5 seconds. Note-test subjects should wait 20 minutes after eating, drinking, or smoking before blowing into the bactrack breathalyzer. Failure to wait 20 minutes can provide inaccurate test results and damage the sensor. Operating temperature is 0 to 40 degree celsius4. BACtrack Mobile Smartphone Breathalyzer for iPhone and Android Devices
Feature
#1 RATED SMARTPHONE BREATHALYZER - "Comparing smartphone breathalyzers against the $890 unit used by the California Highway Patrol, only one was spot on with the police-grade model... BACtrack Mobile. My first test, the officer declared my BAC an official 0.048. Of all the units tested, BACtrack Mobile came the closest with 0.047. My next test, I had exceeded the legal limit on the Alco-Sensor IV with a 0.092, while BACtrack Mobile checked in at 0.091." - The New York TimesPOLICE-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, BACtrack Mobile 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. BACtrack Mobile can detect trace amounts of alcohol, reliably handles high BAC levels and is accurate to the third decimal place.
POWERFUL APP-ENABLED FEATURES - Quickly and easily estimate your blood alcohol content (BAC), save and track your results over time, and with ZeroLine, estimate when your BAC will return to 0.00%. You can even call an Uber directly from the BACtrack App if you've had too much. You choose how much, if any, is saved on your device. Note: All sharing settings are turned OFF by default - you much choose to turn these ON.
ZEROLINE TECHNOLOGY - With BACtrack's innovative ZeroLine technology, you're in control of your night. After your BAC results are delivered, ZeroLine estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand. You might be surprised at how long it can actually take for your body to metabolize the alcohol in your system! Apple Watch users can utilize the Active ZeroLine feature, which offers a continuous countdown to 0.00% BAC available at a glance.
30 DAY MONEY-BACK GUARANTEE & ONE YEAR WARRANTY - BACtrack is the global leader in breathalyzers, providing the most accurate, convenient and affordable breathalyzers on the market, since 2001. We stand by all our products, but if you are unhappy with your BACtrack, you may return it any time during the first 30 days. All BACtracks also come with a full one year warranty, should you have any issues during your first year. Please contact BACtrack's customer service team for more information.
Description
Instantly transform your smartphone into a police-grade breathalyzer with the award-winning BACtrack Mobile. Quickly and easily estimate your blood alcohol content (BAC), track your BAC results over time, and with ZeroLine, estimate when your BAC will return to 0.00%. Features wireless connectivity via Bluetooth, powerful app-enabled BAC tracking tools and is compatible with most iPhone and Android devices. Because of its police-grade fuel cell sensor technology, BACtrack Mobile is ideal for both personal and professional use.5. JASTEK Professional Breathalyzer [New Version] Portable Digital Alcohol Tester Detector with 5 Mouthpieces for Personal Use -Black
Feature
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. Detection range: 0.000-0.190BAC / 0.000-0.950 mg / L.SMART ALARM FUNCTION & ENERGY-SAVED DESIGN: (BAC can be set by yourself) when the test result is higher than 0.05% BAC / 0.5 BAC (factory default setting), 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, it is designed with low voltage indication
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
NOTE: In order to make the test results accurately, 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
WARRANTY POLICY: JASTEK breathalyzer alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us, our alcohol breathalyzer tester will be with 12-month replacement warranty
6. JASTEK Alcohol Breathalyzer Tester Professional Grade Portable Digital Alcohol Tester with 5 Mouthpieces
Feature
SMART ALARM FUNCTION & ENERGY-SAVED DESIGN: (BAC can be set by yourself) when the test result is higher than 0.05% BAC / 0.5 BAC (factory default setting), 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, it is designed with low voltage indication3 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. Detection range: 0.000-0.190BAC / 0.000-0.950 mg / L.
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
NOTE: In order to make the test results accurately, 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
WARRANTY POLICY: JASTEK breathalyzer alcohol tester provides the most accurate and convenient alcohol test, if you are not satisfied or have any quality problems, please feel free to contact us, our alcohol breathalyzer tester will be with 12-month replacement warranty
Description
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. Detection range: 0.000-0.190BAC / 0.000-0.950 mg / L7. BACtrack C8 Personal Breathalyzer | Professional-Grade Accuracy | Optional Smartphone Bluetooth Connectivity to iPhone & Android Devices
Feature
PROFESSIONAL-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the BACtrack C8 utilizes the same pro-grade technology trusted by hospitals, clinics, and even law enforcement.DUAL-MODE OPERATION - Choose "Standalone Mode" and your BAC results are delivered directly to a bright, easy-to-read OLED screen. Alternatively, choose "App Mode" and the BACtrack C8 wirelessly delivers your BAC results to your smartphone via Bluetooth.
ZEROLINE TECHNOLOGY - With BACtrack's innovative ZeroLine technology, you're in control of your night. After your BAC results are delivered, ZeroLine estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
ULTRA-PORTABLE - One of the smallest police-grade alcohol tester ever created, the tiny BACtrack C8 weighs only 2 oz. It's small size makes it easy to put it in your pocket or purse and have it with you any time you drink!
30 DAY MONEY-BACK GUARANTEE & ONE YEAR WARRANTY - We stand by all our products, but if you are unhappy with your BACtrack, you may return it any time during the first 30 days. All BACtracks also come with a one year warranty, no matter where you purchase.
Description
Powered by BACtrack's proprietary BluFire fuel cell sensor technology, the all-new for 2018 BACtrack C8 Breathalyzer is one of the smallest professional-grade alcohol testers ever created! Weighing only 2oz, the C8 delivers reliable and accurate BAC results from a tiny, yet powerful package. The C8 also offers BACtrack's new "Dual-Mode" operation. Choose "Standalone Mode" and your BAC results are delivered directly to a bright, easy-to-read OLED screen. Alternatively, choose "App Mode" and the BACtrack C8 seamlessly pairs with your smartphone via Bluetooth. Using the free BACtrack App, you can quickly and easily estimate your BAC, track your results over time, and with ZeroLine, estimate when your BAC will return to 0.00%. You can even call an Uber or Lyft directly from the App if you've had too much. Perfect for any social situation, from happy hour to dinner parties, the ultra-portable BACtrack C8 breathalyzer will help you and your friends drink smarter and make better decisions while drinking.8. Breathalyzer, [2018 Upgraded] Warmhoming Portable Breath Alcohol Tester LED Screen with Mouthpieces for Home Use (Black)
Feature
SENSITIVE AND HIGH ACCURACY High accuracy, the AT-818 alcohol concentration alcohol tester is used to measure the human body, intelligent MCU control, when the test results more than 0.05% bac or 0.50 bac or 0.25 mg/l, or 50 mg / 100 ml, it warned audio and video, warn you.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.
FIVE PIECES MOUTHOIECES FOR FRIENDSAlcohol breath analyzer come with 5 pieces mouthpieces which are placed on the back of the device, and the mouthpieces can be cleaned and recycled. Will be much easier for your family or friend to test.
EASY TO READ With blue LED display, it will be much easier for night viewing. It will be auto shut off to save power after you finished the test for 20 seconds. LCD screen flicker shows that it is in low battery.
SMART DESIGN AND SIZE This alcohol screener will fit into almost every shirt- or pants pocket. You will have the ability to check the alcohol value in your breath everywhere. It is also a good companion for breast-feed mothers who want to know whether they can feed their children or not after drinking through measuring their BAC (Blood Alcohol Content).
Description
SPECIFICATION:-Sensor: high-precision semi-conductor sensor
-Detection range: 0.000-0.1990% BAC(0.000-1.999 BAC or 0.000-0.995 mg/l)
-Warm-up time: Within 15 seconds
-Respond time: Within 10 seconds
-Operating temperature range: -10 ~ 50
-Digital display results (%BAC / BAC / mg/L)
-Power input: 3V (3 x "AAA" LR03 battery, not included)
OPERATING INSTRUCTIONS:
Step 1: Insert a mouthpiece into the mouthpiece opening.
Step 2: Press the Power/Mode Selector Button. You will hear a beep and the unit will start to count down from 15 on the DISPLAY and say "Warm up". This warm-up process prepares the sensor.
Step 3: When the countdown approaches 2, begin to inhale a deep breath.When the countdown reaches zero, you will hear a second beep indicating that you should blow into the mouthpiece. Blow through the mouthpiece until you hear a beep. This may happen at any point during the 10 second countdown.
Step 4: Once the sensor has analyzed the breath sample, the estimated value is displayed.
WARM TIPS:
1. After drinking, it is recommended to wait 20 minutes before testing, because alcohol takes about 20 minutes into the blood from the digestive organs, and residual alcohol in the mouth takes time to dissipate.
2. To get a more accurate result, the distance should be at least three minutes between each test.
3. Do not use benzene, gasoline and thinners cleaning product ingredients tester.
4. Do not allow any liquid penetrated into the sensor.
5. To remind you, to you and the safety of others , do not drink and drive.
9. Breathalyzer Professional Grade by Pro-Tec, FDA and DOT approved Portable Blood Alcohol Content Screening Device (BAC)
Feature
FDA 510(k) approved professional grade breathalyzer with highly accurate fuel cell sensor police grade technology.DOT approved screening device. Easy to use! One touch operation with reading in seconds, Automatic Power off, 4 digit LCD backlit display, Accuracy +/-0.005% and 5 test memory. Blowing Interruption Detection: meters air flow and speed for attempts to fool the breathalyzer
1 year money back guarantee. We stand behind the quality and accuracy of our breathalyzers and offer a 100% money back guarantee
Includes: 5 Mouth Pieces, Carrying Case and Product Manual
Meets specifications for screening devices measuring alcohol in bodily fluids
Description
FeaturesThe Pro-Tec X2000 is a professional grade breathalyzer yet affordable and transportable enough for the individual user. Fully equipped with the latest fuel cell sensor technology, the Pro-Tec X2000 is simple to use, pocket size while providing the high level of accuracy required by institutions and government agencies.
Package Contents
- 1 Pro-Tec X2000 Breathalyzer
- 5 mouth pieces
- Soft carrying case
- Instruction manual
Technical Specifications
Fuel Cell sensor
Battery operated by 1 9V battery BATTERY NOT INCLUDED
Blowing Times: 7 Seconds
Display Range: 0.000 - 0.200% BAC
Accuracy +/- 0.005%
Memory Recall for last 5 tests
Warm up time: 15 seconds
Repeat Test: less than 60 seconds
Indication: 4 digits LCD backlit display
Calibration interval: 12 months
Low battery indication and auto off function
Test counter with alarm for recalibration
blowing interruption detection.
registrations can be found under the manufacturer: Skyfine Inc, Model Number: AT577.
Pro-Tec Breathalyzers has exclusive resale rights for the Skyfine AT577 in the US.
10. Breathalyzer, [2018 Upgraded] Warmhoming Portable Breath Alcohol Tester LED Screen with Mouthpieces for Home Use (Silver)
Feature
SENSITIVE AND HIGH ACCURACY High accuracy, the AT-818 alcohol concentration alcohol tester is used to measure the human body, intelligent MCU control, when the test results more than 0.05% bac or 0.50 bac or 0.25 mg/l, or 50 mg / 100 ml, it warned audio and video, warn you.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.
FIVE PIECES MOUTHOIECES FOR FRIENDSAlcohol breath analyzer come with 5 pieces mouthpieces which are placed on the back of the device, and the mouthpieces can be cleaned and recycled. Will be much easier for your family or friend to test.
EASY TO READ With blue LED display, it will be much easier for night viewing. It will be auto shut off to save power after you finished the test for 20 seconds. LCD screen flicker shows that it is in low battery.
SMART DESIGN AND SIZE This alcohol screener will fit into almost every shirt- or pants pocket. You will have the ability to check the alcohol value in your breath everywhere. It is also a good companion for breast-feed mothers who want to know whether they can feed their children or not after drinking through measuring their BAC (Blood Alcohol Content).
Description
SPECIFICATION:-Sensor: high-precision semi-conductor sensor
-Detection range: 0.000-0.1990% BAC(0.000-1.999 BAC or 0.000-0.995 mg/l)
-Warm-up time: Within 15 seconds
-Respond time: Within 10 seconds
-Operating temperature range: -10 ~ 50
-Digital display results (%BAC / BAC / mg/L)
-Power input: 3V (3 x "AAA" LR03 battery, not included)
OPERATING INSTRUCTIONS:
Step 1: Insert a mouthpiece into the mouthpiece opening.
Step 2: Press the Power/Mode Selector Button. You will hear a beep and the unit will start to count down from 15 on the DISPLAY and say "Warm up". This warm-up process prepares the sensor.
Step 3: When the countdown approaches 2, begin to inhale a deep breath.When the countdown reaches zero, you will hear a second beep indicating that you should blow into the mouthpiece. Blow through the mouthpiece until you hear a beep. This may happen at any point during the 10 second countdown.
Step 4: Once the sensor has analyzed the breath sample, the estimated value is displayed.
WARM TIPS:
1. After drinking, it is recommended to wait 20 minutes before testing, because alcohol takes about 20 minutes into the blood from the digestive organs, and residual alcohol in the mouth takes time to dissipate.
2. To get a more accurate result, the distance should be at least three minutes between each test.
3. Do not use benzene, gasoline and thinners cleaning product ingredients tester.
4. Do not allow any liquid penetrated into the sensor.
5. To remind you, to you and the safety of others , do not drink and drive.
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