Come and see our amazing products. This wireless Bluetooth Anti lost tracker tag alarm emits a beep when activated by the retracing app. It also works as a selfie remote. This is a great item for keys, wallets, briefcases or other often lost items. Works up long distance away. A battery is included, which is up to stand by long. Keep track of your keys and more by using this Smart locator. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.