BACtrack Keychain

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Quickly and easily estimate your BAC with the small and affordable BACtrack Keychain Breathalyzer. Powered by BACtrack's proprietary Advanced Microcheck Sensor technology, the BACt rack 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. Show more