That's still not cheap, but it isn't a terrible price for a front door with a large window, let alone a window you can control. The Smart Glass door ... great outdoors, or frosted over for privacy.

If you're not feeling drawn to the look and feel of plain frosted glass, but you still want to guarantee your privacy, then ...

The Smart Glass Door's signature feature is its electric opaque smart glass. This window can adjust its charge to switch between clear and frosted views. That way you can create privacy when you ...