*UPDATE* 12/5/18. Simply blow through the mouthpiece and your estimated BAC results are displayed instantly. Select Costco locations have the BACtrack C6 Keychain Breathalyzer on sale for $27.99 (after instant savings), …
*UPDATE* 12/5/18. Simply blow through the mouthpiece and your estimated BAC results are displayed instantly. Select Costco locations have the BACtrack C6 Keychain Breathalyzer on sale for $27.99 (after instant savings), …