<b>About PETFON there are some notes for you</b><br> 1.There is no more fees from the first order.<br> 2.The working principle of Petfon is tracker use GPS signal transfor the location from controller to Petfon APP, so please do remember to take the controller together with your phone. And if you really wanna put controller at home, then please order our mesh for the remote control. <br> 3.About the tracking distance, most customers care about is reason why his or hers tracking distance was not long as discriped, well, this is normal, the GPS signal depend on the environment, and it will be only 20 metes if you track in short distance, our tracker connect to controller used the blutooth, and the location maybe not accurate because the tracker will take the location of your sellphone service location, you will find that the location was in another street far from you. And it will transmit to Lora connetction if the tracking distance over 30 or 50 metes, this tracking distance can be longer up to miles away. <br> 4.About the not working issue, some people may feel it doesnot work or no connection if the GPS signal was cut down by Interference factors or shelter, please calm down and redresh the location or move to another place to check the App, you will find the signal come back.<br>