PetTouchID Smart Pet ID Tag, QR Code, NFC Scan, Online Pet Page, GPS Location (HEART) PetTouchiD Pet Identity Tag. Locate your pet faster with a cloud connected dog id tag. ID Tag can be scanned with any smartphone Free online pet profile webpage (secured in the cloud) When tag scanned, the GPS location is recorded and sent to owner. Report pet lost features. No App Required. No Subscription Costs.