Caution Notice:It does not replace the core electronics. Any existing defects of the electronic core will not be fixed by the shell replacement.Please check the appearance and shape of your key and the number of buttons before purchasing and the applicable model.There is a little error in the size with the original car key, so purchase with caution.Feature:Function: Protects your car key from scratches and damages effectively.Easy to install, simple and fast.They are a good choice for you to replace your old or broken case.This is a non-OEM product, accessory only!Specification:Button: 4 Key ButtonButton Function: Remote Locking, Unlocking, Opening Trunk, PanicMaterial: Plastic, MetalColor: Black, Silver ToneSize: 8.4x4.1cm / 3.31"x1.