It does not contain any electronic part or battery. Circuit and immobilizer chip needs to be transferred to key.lip Key Shell for Old Hyundai i20 Below 2012 Models.The old key blade cannot be transferred or re-attached to the new key shell. You need to get the key cut with the help of the keysmith.Durable polycarbonate material which is Tough & Impact Resistant We are dedicated to providing our customers with high quality key cases.