All the newer v4+ Zooz switches have this functionality - 7x indicates the use of the 700 series chip. I have both Zen23/24 and Zen73/74 which is the "toggle" style switch at my house. The other nice feature is "smart bulb" mode which allows you to decouple the physical switch from the load but still track events.
Also these drivers for Zooz rock!
edit: The difference is the chipset and how the 3/4-way works.. take a look at the install docs to see if one series would fit over the other. Also make sure the power requirements work as well. Do not use these for bathroom fans - use Jasco/GE switches.
