FOLLOWiT GPS SIM Card Pet Tracker Locator Attachment Animal Dog/Cat Collar Water-resistant Free mobile App /iOS and Android Track your pet using this GPS pet tracker that you will get alerts from APP when your pet gets out. View and track daily exercise levels to ensure a healthy happy pet. Free mobile App - iOS and Android. Receive alerts when your pet gets out. Interactive map - directions to your pet. Attaches to your pets current collar. Suitable for pet, car, person, baggage tracking.