Can be installed with 2 button remote control This is for you to replace your old or broken shell. All you need to do just move the internal components from your old remote to our case. There is an anti-theft chip in your car key. When changing the shell of the key, you need to take out the anti-theft chip in the key of the machine and put it in the shell. This anti-theft chip can be used for emergency starting Works For the following models: For Mazda 5 For Mazda 6 For Mazda CX-9 For Mazda RX8 For Mazda Miata MX5 For Mazda CX-7 Material:ABS colour:black Package Contents: 1 * remote key shell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.