No electronic internals. This is an aftermarket replacement case. Easy to install. Take the internal electronics (immobilizer/transponder chip) from original remote and place them in to to our key shell. This is a replacement fob to refurbish your old key. Fit the following cars: Compatible with Jaguar XE 2015-2019 Compatible with Jaguar XF 2013-2019 Compatible with Jaguar XJ 2014-2019 Compatible with Jaguar F-PACE 2015-2019 Compatible with Jaguar F-TYPE 2013-2019 NOTE: NO electronics are included this Just a shell with rubber buttons. Please compare the shape of your key to the picture above before purchasing. Package included: 1 x Key Fob Cover(Front & Back) 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. Sold by-YJL official store