It can protect your kids, seniors, pets, phone, wallet, baggage and laptop from being stolen or lost. By enabling the location tracking feature, the app can also track the location where you last saw the tracker. You can set your preference in the app, such as tracker sensitivity, sound types, and alarm volume. The tracker can also provide a last seen pin-drop on map to help you recover your items and search your cars in parking site. A- In the Google Play Store or Apple App Store search for "cTracing" or get the download link by scanning the QR code on the box, and download the APP. B- Long press the button on the smart locator, hear the "drop, drop" twice, the LED light is on. C- Search for the smart locator and connect to the app, slide left to delete the tracker, touch the ">" icon to rename the smart locator or disconnect. D- Long press to shut down.