All Classified forums require a Site Supporter subscription. It is only $25 per year and you can buy and sell whatever you like on the forum. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions."
The standard chrome one are the ones you see on all the normal trucks.
I'll get some pics as soon as the weather permits, not taking an $900 camera out in the rain. They look exactly like the chrome mirrors, except they have a wire harness that goes from one mirror to the other and has a little joystick for control.