i use similar ones the bulbs are the same but mine dont have a an enclosure
i think they work great as they are low heat and energy saving
mine are 125 watts each i use two at the same time one red and one blue spectrum
if you can afford a hps light or higher powered one then get those
but if funds are limited and stuff they work fine
the only thing i will say is that the yeild you get off these lights is less than what you get off hps or high powered lights
i was told expect around a half oz from each plant using the envirolights
with a hps you can get up to 2-3 oz depending on grow conditions
check out my grow in this section its titled cinnamon and mango grow
i would reccomend them if your just starting aswell.
but if your doing quit a few plants you should get a few lights not just the one
try get higher powered ones that are the same they dont cost much more i think mine were £25 each from ebay to. you will find you get a better grow the more power/ light you can provide especially using these lights
hope this is usefull
oh and i think they work fine for both veg and flower