Best Keychain Breathalyzer

QTlier Personal Breathalyzer, Professional Accuracy, Portable Breath Alcohol Tester with Indicator Light and Digital Display for Home Use (with 10 Individually Packaged mouthpieces)

  • ❗High Accurancy and Battery: This Breathalyzer performs gas detection through a sensitive semiconductor sensor. This portable breathalyzer can quickly give a referenceable result when the result is + or – 0.02 sensor accuracy at 0.050 percentage of BAC. 2AA 1.5V batteries need to be prepared before use.
  • ❗Easy to Use: Easy to use. Press the button for about 2 seconds and the device will turn on, then the device will count down from 20 seconds. When the countdown is over, the screen will display “blo”. , then blow evenly until the device emits three beeps, and the test result will be displayed on the screen after a few seconds..
  • ❗LCD display and automatic shutdown:All test results are shown on the LCD display, including the battery level, and alerts are given when the battery is low. In addition, there is an automatic shutdown function, when the Breathalyzer is turned on, if 20S no operation will automatically shut down to save electricity..
  • ❗EASY TO CARRY AND PACKAGE: Breathalyzer is only 4.84in*1.73in*0.75in and supports 2AA batteries. You can easily carry in your pocket, bag or in the car. Very convenient to carry out. Package: 1 * alcohol tester, 1 * manual, 10 * Mouthpiece, 1 * Packaging bags,1*Warm Tips(No Battery)..
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Breathalyzer, Professional-Grade Accuracy Breathalyzer to Test Alcohol, 5 Mouthpieces | LED Display | Quick Response

  • [ High Accuracy Breath Alcohol Tester ] – This alcohol breathalyzer adopted a high-precision semiconductor alcohol sensor, can real-time response and resume, minimize the mistakes.
  • provide you professional grade accuracy which rechargeable and has a long service life.
  • [ Energy-Saving and Auto-off ] – 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 10 seconds.
  • [ Easy to Use ] – Warm up for 10 seconds and blow into the breath inhaler for 3-5 seconds, then read the text result from the alcohol tester LCD screen.
  • the result will display about 10 seconds and then will automatically switch off (Please test several times for first time use).
  • [ Portable Designed Breathalyzer ] – Space-saving, lightweight, portable, easy to hold and carry, can put it on your bag or pocket, stay with your when driving.
  • great for wedding, parties, or other activities, ensures your safe driving.
  • [ 5 Mouthpieces for Replace ] – Comes with 5 replaceable mouthpieces, maintain health and hygiene alcohol test.
  • And the 5 mouthpieces can be cleaned and recycled, making recycling more environmentally friendly.
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Seven-first,Breathalyzer, Portable Breathalyzer Alcohol Tester, Digital Alcohol Tester with LCD Display & 5 Mouthpieces, Black

  • 【Sensitivity & High Precision】Alcohol tester meets police-level accuracy.Breathalyzerhas intelligent sensors, semiconductors and microprocessors capable of converting the input signal into accurate and precise results..
  • 【Easy To Read Lcd Display Light】With the LCD display, breathalyzer is easier to read even in less than optimal light conditions and offer professional precision for safe driving. It will give you an alarm by beeping when the allowable limit is exceeded and the warning and danger symbol is displayed..
  • 【Energy Savings】Breathalyzer can set automatic shutdown. Powered by two AAA batteries (not included), it automatically turns off after 10 seconds to save power. Each time you install a battery, you can test more than 80 times. In addition, low-power instructions were designed..
  • 【Easy To Use】 Just press the power button for 3 second to start the professional alcohol tester, wait 10 seconds for heating, then blow for 3-5 seconds, the result will be ready after 3-4 seconds, and it will be displayed on the LCD screen for 10 seconds..
  • 【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 acti....
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120 Pieces Breathalyzer Mouthpieces Compatible with S80 and S75 Breath Alcohol Testers 120 Pcs

  • #1 RATED BREATHALYZER BY WIRECUTTER - "After 65 hours of research, which included getting intoxicated at a police station to test personal....
  • 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....
  • THE MOST ACCURATE BREATHALYZER AVAILABLE - In your efforts to drive more responsibly you need the most accurate results. While some breath testers....
  • DOT APPROVED IN ALL 50 STATES - FDA 510(k) CLEARED - A portable alcohol tester designed to surpass the most rigorous standards of expert alcohol....
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Jiangxinshenghuo Portable Mini Alcohol Breath Tester Breathalyzer Analyzer Detector Keychain Keyring LED Flashlight

  • This breathalyzer use 2 AAA battery to power and is small size which you can easily carry one during meal.
  • This alcohol breath tester is easy to use just hold the power button meanwhile breath to the mouth and wait for a short time to see the result.
  • The three led light that is red,yellow and green can let your know easily if you are in good condition to drive.
  • This led breathalyzer can detect the alcohol concentration to determine if your are able to drive.
  • This alcohol breath detector is sensitive and can test your breath quickly and you can test the breath again in short time.
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BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use

  • ...st. 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, an....
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BACtrack Element Breathalyzer 2 Pack | 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....
  • SIMPLE, ONE-BUTTON OPERATION - The BACtrack Element is extremely easy to use. Simply insert the two included AAA batteries, power on your breathalyzer....
  • DOT/NHTSA COMPLIANT - Designed to meet the rigorous standards of expert alcohol screeners, from roadside law enforcement to hospital employees &....
  • SMALL & PORTABLE SIZE - The Element is BACtrack's smallest professional breathalyzer, making it easy to take with you anywhere you go. Measuring just....
  • ONE YEAR WARRANTY - BACtrack stands behind every product we manufacture and sell, but if during the first year of operation any unit ceases to....
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Breathalyzer, Digital LED Screen Portable Breath Tester, Ultra-Portable Pocket Breath tester for Drivers or Home Use

  • ➤【QUICKLY & EASILY ESTIMATE】: Adopts advanced sensor technology, can give you a accurate and reliable result in few seconds, accurate BAC results you can trust..
  • ➤【OPTIMAL BREATH CAPTURE】: Quick response and resume, good accuracy, easy to operate. One button operation means you simply power on your breathalyzer and begin testing in seconds..
  • ➤【TAKE IT WITH YOU ANYWHERe】: Small size and lightweight, easy to put in purse or pocket, ultra-compact, making it a great portable breathalyzer for any occasion..
  • ➤【EASY TO USE】: One button operate, easy to use, just need you press the switch. Designed to read thousands of times with accurate results every time..
  • ➤【PRACTICAL】: Auto power off design, energy-saving. Digital breath tester with audible alert, more intuitive and convenient. Wait 15 minutes after consuming for the most accurate result..
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Breathalyzer - MFOISFA Accurate Detection Portable Breath Alcohol Tester Breathalyzer Tester with Digital Led Display Quick Response for Personal or Professional Use

  • 【Easy to use】: The MFOISFA alcohol tester is accompanied by a warning sound, long press the breath detector switch for about 1-2 seconds, wait 10....
  • 【High sensor for accurate test】: MFOISFA breathalyzer has a wide range of uses and can be used by medical workers and professional therapists,....
  • 【Easy to carry】: Measuring just 4x 1.2x 0.08 inches, and easily fits in a purse or pocket, When you are not sure if you can drive, you need the....
  • 【Energy saving and automatic shutdown function】: MFOISFA Breath Alcohol TesterEnergy Powered by 2 x AAA batteries( not included, but commonly....
  • 【Six months warranty】:MFOISFA breathalyzer has undergone strict testing and is committed to providing you with first-class quality assurance. If....
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QTlier Portable Breathalyzer with LCD Digital Display for Personal Professional-Grade Accuracy,Breath Alcohol Tester with USB Rechargeable(with10 mouthpieces)

  • ✅ACCURATE TESTING: This alcohol tester is composed of advanced high-precision nanotechnology sensor, which can accurately feedback your actual....
  • ✅PORTABLE BREATHALYZER: The professional breathalyzer is only 126x51x23mm, and weighs only 90g, which is very convenient to carry on the go out and....
  • ✅TIME SAVING AND CONVENIENCE: Environmental protection and energy saving, no need to replace the battery regularly, reduce the pollution of the....
  • ✅EASY TO USE: After you get the product insert the mouthpiece into the mouthpiece insert slot, long press the start button, after the "Beep" sound....
  • ✅PERFECT AFTER-SALES SERVICE: If you encounter any problems in the use of the process, please contact us in a timely manner, our after-sales team....
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