New 6 buttons Transmitter fob Remote keyless entry Key Case shell replacement For Cadillac Escalade GMC Chevrolet Package:2pcs key cases Just key cases, not remote keys. No interior components (battery/ electronics /transponder chips) inside. Transfer the insides from your original remote to the new case, then it will be ok. No programming needed. Please make sure your key is almost the same as the pictures show. Detailed applicable Models: Please refer to the following description. If our key case does not fit your car or breaks down within months, please email us. We will issue a full refund or resend. Every problem will be solved within 24 hours after receiving your email. If dislike or no longer need the item after receiving it, you can return it anytime. Please note : the item to be returned should not affect secondary sales.