Features: 1.Fitment: Power window switch is replacement for SMART 454 FORFOUR, which is made according to the prototype of the car. 2.OEM Number: Window master button replace part number is A4548201010. Please make sure the OEM number matches the part you are replacing. 3.Quick Response: The power window control button has fast response and high sensitivity, which brings you a convenient use experience. 4.Features: Power window switch with compact design, comfortable to touch, and precision manufacturing to meet your usage needs. 5.Perfect Match: Window lifter switch is an essential accessory in your car and fit perfectly with other parts, convenient for using. Specification: Item Type: Power Window Switch Material: ABS, metal OEM: A4548201010 Applicable Models: Replacement for SMART 454 FORFOUR Note: 1.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!