I buy the lights Taotronics sells direct from the factory. Did not see them offering the dimmable fixture yet. I have them and they work nicely. This same factory builds panels from 60 watts to 400 watts. I use a 300 watt for my center light and can grow SPS
like weeds. Taotronics is a major importer, so if they carry the light the price is very good. With shipping I pay about the same price they offer the panels for. I have used about 30 of them so far and had one early panel fail (it was mine, not a customers thank heavens) . The factory supplied me with spare parts, so I can fix them in my shop.