The Apex Lite is a new module that has been changed so you friendly consumers can take advantage of cheaper pricing. What’s changed from the normal Apex unit? The 4 variable speed ports, and the second ph/ORP connector have been removed, besides that though its the same Apex unit as far as expandability and software features. The Apex Lite system was being shown off at MACNA and includes the Apex Lite Base module, Apex Display, EB8, and temperature probe. Retail is said to come in at $369.95 and you can pick one of these new guys up in November.