?This is a kind of high quality and durable key case. If you have a key with broken buttons or worn key case， this unit is the best replacement for you.  Features: Best replacement for a key with broken buttons or worn key case. Key case only. No electronic internals. This is an aftermarket replacement case. Take the internal electronics(include immobilizer/transponder chip) from original remote and place them to our key shell! Good quality with blank blade， durable to use.  Specifications: Material: ABS<br> Color: Black Fitment: for Porsche Cayenne<br>    for Porsche Boxster<br>     for Porsche Boxster S<br>    for Porsche 996<br>    for Porsche 911<br>     for PorscheCarrera Button: 3 Buttons Product Size: 10 * 4 * 1.7cm / 3.9 * 1.6 * 0.7in Product Weight: Approx. 40g / 1.4oz  Package List: 1 * Key Fob Case  Note: This item isn't a remote key， it is just a remote key shell case replacement. There is NO interior (remote/electronics/transponder chip) unit inside. Please check your key look the same as the one in our product picture above before you purchase.<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>