It’s now easier than ever to track your precious pet’s whereabouts and activity using Whistle 3 Pet tracker. Whistle combines GPS, WiFi and Cellular technology to pinpoint where your pet is and displays the location on the map. Using the app on your smartphone, you can track your pet’s location, activity and rest. You can set up the device to send you location alerts by app, email or text. Whistle is shock resistant and water proof.