The smart AirBell Pro is more than just a bicycle bell. It combines the functions of a bicycle bell with a tracker. The bicycle bell has a built-in Bluetooth tracker that works with the Apple “Find My” network.This network allows you to know exactly where your bicycle, e-scooter or e-bike is located. This makes securing your bicycle a lot easier. Pairing the AirBell Pro with the iOS Find My app is very easy. To do so, simply follow the simple steps in the included user manual. The bicycle bell has a compact and lightweight design and is water-resistant (IPX5), allowing the product to function in all weather conditions. Suitable for handlebars with a diameter of 22 mm, the standard size for most bicycles, e-bikes and children's bicycles.Safety and smart technology, united in one elegant design. Delivered individually in a gift box.