The package contains a single locator Free platform: the use of the application at no additional cost and without subscription. Note: the battery is not included in the package, you need to buy a cr2032 battery. Bluetooth tracking: Article Locator uses Bluetooth 5.0 to connect IOS, iPad and other smartphones. You can check the exact location of a lost key, dog or cat on the app. Portable and practical: dimensions: 37 x 37mm, weight: 8G. You can put it in your wallet as a Wallet Tracker or other item finder. A Dog Tracker can bring more convenience to your life. Breakpoint Locator: Adopting Breakpoint Locator, when Bluetooth is disconnected, Locator cat will be automatically alerted and the app saves the final position. Two-Way Search: Your phone rings when you double-click the Key Finder button. Open