1 Pack Smart Gps Tracker Key Finder Locator Anti Lost Alarm Sensor Device for Kids Dogs Car Wallet Pets Cats Motorcycles Luggage Compatible Ios Key Finder uses BT 4.0 technology to connect Android, IOS, compatible with iPad- and other smart phones. Display the distance from you of lost car keys, luggage, wallet, dog and cat on app, so that you can find them accurately. App remote control: download the free app "ctracing" and pair it with a smartphone. When you press the remote control button, the receiver will beep, and you can hear the GPS Tracker- within 75 feet. 4-piece GPS Tracker- locator includes black, green, blue, pink-, white, suitable for children, pets, phones. Two way notification: connect this wireless tracker- to keys or wallets we often forget and track their things. The two-way Key Finder allows you to track lost items, or ring or flash when they are out of range. Finder key chain: the smart tracker- is small in size, light in weight and easy to carry. Just like the key chain on a child's schoolbag or hung on a pet collar, real-time viewing of the locator can effectively avoid the loss of children and pets. The last viewed pushpin is provided on the map through app to help you recover items and search for cars in parking spaces. Multi function: anti loss alarm, GPS tracking device, remote control self portrait. As a remote shutter for self portrait, you can remotely control your smartphone camera by pressing the viewfinder button.