Quickly Find Items: the key finder locators can be hung on your phones, keys, bags, umbrellas, pets, cats and other important items, convenient for you to find them quickly and easilyConvenient to Use: the GPS trackers for kids are easy for your operation, and you just need to press the button for a few seconds, then the receiver will sound beeps, after that you can use your cellphone to search and connect to the deviceTimely Reminders: when you install these the GPS trackers for dogs behind your phones, keys and other things that are easy to lose, they will sound or flash if your keys leave you beyond a certain range, informing you to find the lost items in time, besides they and your phone will alarm together when disconnecting, and this function could be turned off in setting