Feature 1Fitment: Power window switch is replacement for SMART 454 FORFOUR which is made according to the prototype of the car. 2OEM Number: Window master button replace part number is A4548201010. Please make sure the OEM number matches the part you are replacing. 3Quick Response: The power window control button has fast response and high sensitivity which brings you a convenient use experience. 4Features: Power window switch with compact design comfortable to touch and precision manufacturing to meet your usage needs. 5Perfect Match: Window lifter switch is an essential accessory in your car and fit perfectly with other parts convenient for using.SpecificationItem Type:PowerWindowSwitchMaterial: ABS metalOEM: A4548201010Applicable Models:ReplacementforSMART454FORFOUR .wang-edit-text font-family:Arial important; .wang-edit-text table border-top: 1px solid 000; border-left: 1px solid 000; .wang-edit-text table td .wang-edit-text table th border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; .wang-edit-text table th text-align: center; Package List1 x PowerWindowSwitchNote1.Please double check the part number of your item matching information is for reference only.2.If you are unsure of the item please contact us before buying to avoid unnecessary return thanks