VTag Anti-Loss Device Bluetooth 4.0 Smart Alarm Tie the Vtag to your object and pair it with your iPhone.use with iPhone 5,4S iPad 4 iPad mini Alerts will be sounded if the two are separated to a distance. When a VTag is attached with your car, Blue Smart could record where your car is last parked, and will guide you to find your car Electronic Leash is perfect for situations such as keeping an eye on wandering kids/pets in a park or your valuables when traveling. The GPS location is also recorded on your iPhone to help you return to look for the lost object.