One of the most accurate personal breathalyzers on the market, the award-winning BACtrack Mobile integrates a smartphone and a police grade breathalyzer to bring breath alcohol content (BAC) wirelessly to your Apple iPhone, Google or Samsung brand Android device. Quickly and easily estimate your blood alcohol content, track your BAC results over time, and with ZeroLine, estimate when your BAC will return to 0.00%. You can even call an Uber directly from the BACtrack breathalyzer app if you've had too much. Make better decisions while drinking with the innovative and accurate BACtrack Mobile iPhone Breathalyzer. Ideal Uses: Portable Breathalyzer Home Breathalyzer Phone Breathalyzer Wireless Breathalyzer Alcohol Detector Alcohol Monitoring