The Link My Pet collar attachment is a complete pet care ecosystem packed with a range of features connecting pet parents to all aspects of their pet's health, safety and well-being. The small 2.25" x .80" x 1.40" device and user-friendly app includes dog GPS tracking, built-in tone and vibration training tools and activity monitoring for up to 14 days of battery life using WiFi, Bluetooth and cellular technology. Once you log into the LINK MY PET app (available in app store for download on iOS and Android) you have access to all of the most important data on your pup. Manage your pet’s wellness with the Link Vet symptom analysis checker, Tele Vet services, vet record storage & medication reminders. With Link, you know peace of mind. Service plan is required (see key features for details).