For locksmith, no need to have many different remote in . If you have KD900,KD900+ ,URG200,-X2, MINI device, you can use this remote to genrate a new remote for many . Also you can check the supported car model after downloading the "Mobile " from application App .This key comes with only circuit board, no chip/battery/blade inside.You can buy the blade type you need for KD900 remote key to work with.Condition: High qualityPart Number: B01-3+1B Series KEYDIY remotes.Type : Remote KeyButton: 3 +1 ButtonsElectronics: YEScolor:BlackMaterial:ABSPackage Contents:5 x Car Remote KeyOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.