I have been using that exact light for a year now (vegmaster as well), and it has been great for my use. It is lighting a 2 ft. by 4ft. area at 2 ft. above the pots. I have been mainly growing
Heliamphora,
Cephalotus,
Nepenthes, and some
Drosera under it, and for a relatively short time I had some
Sarracenia seedlings under it. The growth and health of the plants has been going well since switching to the light, and the coloration is very nice as well. Prior to the LED I was using a quad T5HO. The only downside, the specific spectrums used make it odd to view plants and basically impossible to photograph them, but aesthetics were not a top priority for me.
Prior to buying the light I did contact the company, which seems to be a small operation, but they were rather helpful with the questions I had at the time. They had also switched to a new board with a higher number of diodes at the time, which I was unaware of, and they pointed that out as something to be aware of if I was looking at any stores. I ended up buying the light directly from them (over the phone) for this reason because the new model had not been well distributed. To keep this short, I have not had any issues with the company or the light. Finally, here is a photo of some of the
Heliamphora that I have growing under the LED. I had them under my quad T5HO for the photo only. I could also provide a before and after of the
Heliamphora sarracenioides that I received from you a while back if you are interested.
Heliamphora Collection (Partial) by
Adam B., on Flickr