BACtrack Keychain

BACtrack Keychain

$39.99

$29.99

BACtrack Keychain

$39.99

$29.99

In stock and usually ships the same business day.

Quickly estimate your blood alcohol content with the small and affordable BACtrack Keychain Breathalyzer. The folding mouthpiece pulls out during testing and slides back down during storage – blow for results in just 5 seconds! Best of all, you can’t forget your Keychain as it travels with you wherever you carry your keys.

  • Free shipping on all US orders

  • 1 Year
    Warranty

  • 30-Day Moneyback Guarantee

  • Worldwide Shipping

  • Award Winning Customer Service

Core Features

  • Advanced MicroCheck® Sensor Technology - Proprietary Advanced MicroCheck® Sensor technology delivers reliable, accurate BAC results you can trust.
  • Ultra-Compact Design - Fits inside a purse or pocket and can be easily used as a keychain.
  • 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.
  • One Touch Operation - Simply power on your BACtrack Keychain and begin testing in seconds.
  • LED Screen - BAC results are displayed on a bright, easy-to-read LED display.
  • Extra Mouthpiece Covers - Includes three additional mouthpiece covers, making it easy and sanitary to test your friends and family.
  • Warranty - All BACtrack breathalyzers are backed by a full one-year warranty

Ultra-Portable Keychain Design

The tiny BACtrack Keychain is perfect for BAC testing on the go, easily attaching to your keychain or fitting in a pocket or purse.

Accuracy You Can Trust

Powered by BACtrack's proprietary Advanced MicroCheck® Sensor Technology, BACtrack Keychain delivers accurate, consistent BAC results, every time you test.

Effective Air 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.

Technical Specifications



  • Dimensions 1.45 x 0.55 x 2.44 inches (3.7 x 1.4 x 6.2 cm)
  • Weight 2 oz. (56 grams) with batteries
  • Mouthpieces Fold-out; 3 included
  • Battery 1 AAA battery, included
  • Battery Life Approximately 150 tests
  • Sensor Technology Advanced MicroCheck®
  • Sensor Accuracy +/- 0.01 at 0.02% BAC (blood alcohol content)
  • Warm-Up Time 11-13 seconds
  • Blowing Time 5 seconds
  • Response Time 5 Seconds
  • BAC Range 0.000 - 0.400% BAC
  • Test Count Displays total number of tests performed
  • Warranty 1 Year
  • Customer Rating Rated 4.2 out of 5 by 159 customers.
  • Download the Manual
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Customer Reviews