Here is a link to an exploded drawing of the pendant.
An article on coverage is here. The PR72 Planted is very similar to the PR72 Reef in terms of PAR. Both are designed for tanks up to 36 inches in depth. There is plenty of PAR to grow even the most light demanding aquatic plants.
Here are some videos that were taken at the MACNA Convention in Dallas this year showing PAR values of our PR72 Reef. PAR values will be similar for the planted version.