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 before buying to avoid unnecessary return, thanks!