AGPTEK Mini GPS/GSM Pet Tracker Locator for Cats Dogs Support iPhone 6/6 Plus/5/5S/4/4S Samsung Galaxy S5/S4/S3/S2 Samsung Galaxy Note (SIM Card NOT Included) HIGHLY ACCURATE. Real time GPS/GSM tracker for cats/dogs, positioning accuracy can be reached within 5 meters FREE TRACKING PLATFORM /APP, suitable for PC, Cell Phone, IOS, Android, App TRACK AND LOCATE YOUR WANDERING PET. Once set-up the product allows you to track the device, set up a "fence" where you will receive alerts should your animal cross the boundary, track the travel history of the unit and other functions. Compact and light weight, with high quality nylon collar for pet OTHERS USES: luggage, vehicle tracking in which it's been left; marking sites while hiking or camping and easily finding them