Lost prevention device is a product based on the latest Blue tooth 4.0 low power consumption, through the use of apps, and cell phone mobile devices such as Bluetooth connection, to the user easy to lose goods.It can also provide a last seen pin-drop on map to help you recover your items and search yours cars in parking site.Suitable for Pets, Kid, Wallet, Car, Bags, Suitcase or other belongings. Custom logo is welcome. Made from pvc material, measuring 14 inch W * 12 inch H * 3 inch D, this custom wireless anti lost alarm key tracking finder. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Portable, durable, practical for daily use.