Get $1 credit for every $25 spent!
Get $1 credit for every $25 spent!
$37.95 $49.99 $69 Price Drop!
Add to Cart
Add 1 Year Warranty - $7.99
Add 2 Year Warranty - $9.99

Ending In:


Stay smart when you're out on the town! Powered by BACtrack's proprietary BluFire® fuel cell sensor technology, the C6 is the smallest police-grade alcohol tester ever created. It fits comfortably on your keychain and works with a revolutionary Dual-Mode setup. Choose to either deliver your BAC results directly to the built-in OLED screen or to the accompanying smartphone for some extra discretion. Using the app, you can quickly and easily estimate your BAC, track your results over time, and estimate when your BAC will return to 0.00%, ensuring you stay safe.

  • Uses a BluFire┬« fuel cell sensor, the same tech trusted by hospitals, clinics, & law enforcement
  • Fits on your keychain & is extremely lightweight
  • Connects to your smartphone via Bluetooth
  • Companion app saves & tracks BAC results over time
  • Allows you to order an Uber or Lyft directly from the app if you've had too much


  • Dimensions: 2.5" x 2.2" x 0.66"
  • Weight: 2 oz
  • Warm up time: 10 seconds
  • Blowing time: 5 seconds
  • BAC range: 0.000-0.400% BAC
  • AAA battery included


  • iOS 8.0 and later
  • Android 4.3 and later


  • BACtrack C6 Keychain Breathalyzer
  • 3 mouthpieces
  • AAA battery
  • User guide
  • 1-Year Manufacturer Warranty


  • Ships to Contiguous US
  • Expected Delivery: Jun 3 - Jun 6
  • Expected International Delivery: Jun 3 - Jun 6


  • All sales final.
Your Ad Blocker Is On!
Sadly, recent updates to your Ad Blocker are preventing crucial parts of our shop from loading. Frustrating. We know. We hate to nag, but please turn off your Ad Blocker or whitelist us to continue exploring our shop.