Can be installed with 2 button remote control This is designed to replace your old or broken shell. Simply transfer the internal components from your original remote to the new case. The car key contains an anti-theft chip. When replacing the key shell, remove the anti-theft chip from the original key and install it into the new shell. This anti-theft chip can be used for emergency starting. Compatible with the following models: For 5 For 6 For CX-9 For RX8 For Miata MX5 For CX-7 Material: ABS Color: Black Package Contents: 1 x Remote key shell Only the above package content is included; other items are not part of this package. Note: Lighting effects and different display settings may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.