1. It is easy to bring.
2. It is convenient for the Younger the protect the old, the child, the disabled and pets.
you opened the device and followed the steps to set up.
Then you can receive the SMS like below:
The SMS's main meaning is :
I was near the Telecom Building, Renmin Road, Longhua Town, Baoan District, Shenzhen.
So you are easy to find