One of the most accurate personal breathalyzers on the market, the award-winning BACtrack Mobile integrates a smartphone and a police-grade breathalyzer to wirelessly bring breath alcohol content (BAC) to your Apple iPhone, Google or Samsung brand Android device. This ultra portable breathalyzer quickly and easily estimates your blood alcohol content, tracks your BAC results over time, and with ZeroLine , estimates 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- Home Breathalyzer- Phone Breathalyzer- Wireless Breathalyzer- Alcohol Detector- Alcohol Monitoring