Quickly Find Items: the key finder locators can be hung on your phones, keys, bags, umbrellas, pets, cats, wallets, purses, luggage and other important items, convenient for you to find them quickly and easily, bringing a lot of convenience to your life; The ideal tracking range of the tracker is approximately 15 meters; However, considering the impact of environmental factors, the tracking range may be reduced when the signal is affected Convenient to Use: download the APP from the user's manual and it will work, 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 device, if you lost your phone, you can double press the button, then your phone would alarm Timely Reminders: when you install these 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