This is an auxiliary switch for the rear of the 40 Series Alphard/Vellfire. This part adds a one-touch switch to the rear. Installation is easy, just replace the clip cover and add wiring to the front overhead section. Instructions are included, so you can install it yourself. I am an owner of a 40 Series Alphard/Vellfire, and I only offer products that I have installed and found to be good. Color: Chrome Operation has been tested and confirmed.