3 Button Folding Key Fob Replacement Fit for Smart Forfour Fortwo 453 PCF7961M
Transponder chip:4A（PCF7961M） Chip. For Smart Fortwo Car 453 2014+. Car Key Fob. Remote Key Shell. 1x Remote Key. - The blank blade must to be cut. Battery/ Circuit Board / electronic: Yes. Button:3 Button.