Connect and use. No need to download APP. Wirelessly connect to the anti-lost device through the "Find My" APP that comes with devices. It is and more convenientPrecise positioning at any distance. Globally, as long as there are for devices (for , and ) around this device, you can use the Find My network to track items, and you see the location in the "Find My" appIPX65 waterproofAnti-tracking function protects privacy and prevents malicious trackingMultiple devices are online at the same time. Can be used on multiple devices such as for ///Battery capacity: 200mAh (CR2032)Buzzer sound volume/frequency: 80dB/40±1.0KHzSupported : for iOS14.5/iPadOS14.5/macOS12.5 and aboveColour:WhiteMaterial:ABSPackage Contents:1x GPS tracker1x Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.