Feature 1Multiple Applications: Locator tag helps you keep track of your items by attaching it to everyday items such as keys, backpacks or purses. 2Easy To Use: Use the app to ring a reminder when you're within range of a connection, or let a smart home device find it for you. 3App Control: Use the for Find My app to see the closest location of your items on a map when the locator is not in connection range. 4Multipurpose: This item tracking device is suitable for binding for iOS phones, helping you find items, and can also be used for seniors, pets and children. 5Built In Buzzer: The key item finder has a built in buzzer, so if it is nearby, you can easily find the item by following the sound.SpecificationItem Type: Locator TagMaterial: ABSProduct Size: Diameter: Approx. 45mm or 1.77in, Thickness: Approx. 3mm or 0.12inGross Weight: Approx. 25g or 0.9ozBuilt in Battery: 1 x CR2032 ButtonBattery 150mAh (Included)Working Voltage: DC 3VTransmission Distance: 40m or 131.2ft (Open Sight Distance)Buzzer: Built in 75db (At 10cm or 3.9in) .wang-edit-text{ font-family:'Arial' !important } .wang-edit-text table { border-top: 1px solid 000 border-left: 1px solid 000 } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000 border-right: 1px solid 000 padding: 3px 5px } .wang-edit-text table th { text-align: center }Package List1 x LocatorTag1 x Instruction Manual1 x Prying ToolNoteManual measurement, please allow some errors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.