Find Things Quickly: Key and item finder can be hung on your phones, keys, bags, umbrellas, pets, cats, wallets, handbags, luggage, and other important items, convenient for you to find them quickly and easily, bringing great convenience to your life. Convenient to Use: GPS trackers for kids are easy to use, and you just need to press the button for a few seconds, then the receiver will beep, after that, you can use your mobile phone to search and connect to the device, if you lose your phone, you can press the button twice, then your phone will alarm. Early Reminders: when you install these GPS trackers for dogs behind your phones, keys, and other items that are easy to lose, they will beep or flash if your keys leave you outside a certain range, informing you to find the lost items in time. Moreover, they and your phone will alarm together when disconnected, and this function can be turned off in the settings. Small Size and Light Weight: the mini GPS tracker is about 5.2 x 3.1 x 1.1 cm/ 2.05 x 1.22 x 0.43 inches in size and light in weight, allowing you to take them with you easily without burdening you much, so you can hang them on your child's school bag or pet collar, great for daily storage without taking up much space. Right Quantity and Colors: the package contains 3 packs of kids trackers, enough for your daily use, you can also share them with others, moreover, the 3 different colors can give you more choices.