ONE YEAR WARRANTY - BACtrack stands behind every product we manufacture and sell, but if during the first year of operation any unit ceases to function properly, we will repair or replace the defective product at no charge. 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 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 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. : B07RWFP5B9. Manufacturer: BACtrack. Date First Available: May 15, 2019. Batteries: 1 AAA batteries required. (included). Item model number: BT-KC10-AMZ. Product Dimensions: 1.45 x 0.55 x 2.4 inches; 2 Ounces.