Keyring hole Easy to hear Replaceable battery Water resistant Works with the Apple Find My appLocate your keys, luggage, and backpack anywhere. A very loud sound will help you find them nearby, and the Apple Find My network will track them down if they go missing. The easy attachment, long battery life, and water resistance make it a convenient and durable solution for keeping track of your valuables. Features Tracking function Yes Alarm function Yes International Protection (IP) code IPX5 Protection features Splash proof, Water resistant Product colour Black Maximum operating distance 60 m Product type Finder Purpose Universal Display Built-in display No Battery Replaceable battery Yes Removable battery Yes Battery type CR2032 Software Mobile operating systems supported Android, iOS Weight & dimensions Diameter 3.79 cm Height 6.4 mm