Once you buy, we will ship your GPS tracker (device) which you will receive within 2-5 days depending on your location. Once, you get the tracker, please follow the steps below: 1. Open the box and charge the device for 3 hours. Please refer to userguide and video for detail instructions on how to charge 2. Download “YoPets” app on your phone 3. Create your account and add your GPS tracker by clicking “Add Device” in the app and scanning the bar code on the device. Please refer to userguide and video for detail instructions on how to get started and add device. 4. You could add the name of your pet and change the profile picture. Please refer to userguide and video for detail instructions on how to change profile picture 5. Click on paw button to start tracking.