How do I upload a custom background to my 4iE?

The 4iE® is offered in White & Black. It is designed to look great in both modern and traditionally styled homes, with glass effect front faces and beveled chrome edges to reflect wall colors.The large color touchscreen can be customized with different themes and custom up-loadable photo backgrounds* to complement your wallpaper. There’s even a 7-day local weather forecast built in*. (*WiFi version only)