For a locksmith, there is no need to have several different remote keys in stock. If you have KD900, KD900+, URG200, -X2, MINI , you can use this remote to generate a new remote for many cars. You can also check the supported car model after downloading the "Mobile" from the app. This key comes with only a circuit board, no chip/battery/blade inside. You can buy the blade type you need to make the KD900 remote key work with it. Condition: 100% Brand New High Quality Part Number: B31 KEYDIY B Series Remotes. Type: Remote Key Button: 4 Buttons Electronics: YES Transponder Chip: NO Battery/Blade: No Color: Black Material: ABS Package Contents: 1 x Car Remote Key Only the package Above, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.