WORKS WITH APPLE FIND MY Use the pre-installed Find My app and add SmartTrack to the Items tab. You can then locate it anywhere in the world using Apple's network of millions of devices. FIND YOUR PHONE IN SILENT MODE Avoid tearing up your apartment searching for your phone. With just a double tap, your phone rings—even in silent mode. ALWAYS LINKED TO YOUR ITEM If something's lost, you're always connected via SmartTrack's QR code. A person who finds your item can scan and see only the contact information you share. FREE LEFT-BEHIND ALERTS Avoid losing your belongings in the first place with instant left-behind alerts via the Eufy Security app. FAMILY SHARING Eufy Security app: let others know the location of your items too. UNMISSABLE ALARM You can even hear it if it's covered or in the next room. Even if your phone is on silent, Eufy Security App gets your phone to ring. DURABLE & LONG LASTING Water-resistant coating & replaceable battery that lasts up to: 3-years (Card)