This product is wireless bluetooth 4.0 App controlled smart key finder and tracker. When connect this tracker with your cellphone, you can press the button on the tracker to ring your phone and then find back your smart phones. Also you can tie this tracker to anything you want and use App on the smart phone to track items back. This tracker can be applied to keys, cameras, pets, kids, bags, luggages etc.
Also this tracker has locator function, if your items out of the bluetooth working distance, you can see the last lost location on the App and then track your items back.