Quickly and easily estimate your BAC with the small and affordable BACtrack Go Keychain Breathalyzer. Powered by BACtrack's proprietary Advanced Microcheck Sensor technology, the BACtrack Keychain provides reliable and accurate BAC results you can trust. It's ultra-compact, portable keychain design makes it perfect for personal BAC testing on the go - simply blow into the fold-out mouthpiece and results are returned in seconds.

ONE YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge ***when purchased from an authorized retailer***. OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out. TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion. EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!. QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust.

Best Sellers Rank: See Top 100 in Health & Household. : B08MBKB2W3. Manufacturer: BACtrack. Date First Available: October 30, 2020.