BACtrack Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Quickly and easily estimate your BAC with the small and affordable BACtrack 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.