Features Works with Apple Find My: Add SmartTrack Link to the Items tab in the Find My app and locate it globally using Apple’s vast device network. Find Your Phone in Silent Mode: Double‑tap the tracker to make your phone ring—even when it’s set to silent. Free Left‑Behind Alerts: Receive instant notifications through the Apple Find My app if you leave your belongings behind, with no subscription required. Always Linked via QR Code: If your item is found, the built‑in QR code lets others view only the contact information you choose to share. Share with Friends & Family: Use the eufy Security app to share item locations with trusted people. Loud Built‑In Alarm: The tracker emits a powerful alert that can be heard even if it’s buried under items or in another room. Water‑Resistant & Long‑Lasting Battery: Designed with a water‑resistant coating and powered by a replaceable CR2032 battery that lasts up to one year.