DescriptionThe tracker keeps in connection with your phone through the app , and you will be informed when they move out of effective distance range.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.Specification:Material: silicone.Suitable for: wallet, car, kid, pets, bags, or other belongings.Battery: CR2032 lithium coin battery.Color: show as pictures.Size: 5.2 * 3.1 * 1.05cm.Note:There might be a bit color distortions due to different computer resolutions.There might be size errors due to different computer resolutions.Package include:1 * smart Bluetooth tracer.