[Usage Instructions] Please refer to the detailed User Manual in the package when receiving tag. The item finders don't need downloading any app and a subsription fee. Easily pair and track your items like keys,wallets,backpacks,suitcases,luggage through the Find My app, making it your reliable dialy assistant. [Dual-System Compatibility]The tags-4 Pack works with both iOS and Android systems for easy tracking and location. Stop worrying about losing your valuables. [Protect Privacy] The Key finders focus on protecting privacy, all communication with both iOS and Android deviced is anonymous and encrypted, location data and history are not stored on tags. [Waterproof & Durable] The item finder is water resistant to low-pressure water jets from any angle, ideal for outdoor use in rain or humid environments. The shell of this luggage tag is made of hard plastic, which can prevent scratches caused by hands during use and minor collisions [1-Year Battery Life]This locator uses CR2032 batteries, which have a lifespan of up to 1 year. You won't need to replace the battery frequently Supports iOS 14.5 and later versions. Supports Android 9 and later versions. Color: Black Material: ABS Package Contents: 4* Item Locator iOS Only 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.