Mili Item Finder Mitag Apple & Android Compatible Tag 1 Year Warranty ex Battery Apple & Google Licensed Product IP67 Waterproof 200 to 300 day battery Colour: White Real time Size: 38.5*38.5*9mm CR2032 Replaceable battery Transmission distance: 80-100m (open environment) Bluetooth Tracker, Item Locator for Keys, Bags and More