1.Use the for or to find the phone function, find the car. 2.Plug into the car OBD socket and directly connect to the mobile phone for direct use. Important Note:1.The OBD part only support for iOS mobile. Don't support android mobile. 2.If want use find my function need upgrade for iOS system version 14.5 above and latest system. 3.item some times don't view real-time location. need requires someone nearby to use bluetooth to pass the vehicle for continuous positioning. this is normal phenomenon. function like similar. 4.Don't need to insert a sim card, don't traffic required. 5.Don't audio recording. 6.Support global positioning. only need a for iOS 14.5 above. 7.The positioning function can only be used when the car is moving. It will not be to be positioned after the car is turned off. Colour:Black Material:plastic Package Contents: 1 x Car GPS Tracker Locator 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.