The lights have the manufacturing tolerances that remind me of swiss watches. I look forward to seeing how my plants react to it. Item works exactly the way it was described very satisfied.
This new lighting has us on another plane entirely. They are lightweight and don't seem to have problems in a very humid enclosed environment. Works perfectly for my summer porch plants.
The timer is great! The timer has 3 settings. After you turn it on everyday you then select how long you want it to stay on. These lights are super bright for 20w.
I normally use a t5 * setup they are so picky. They're light weight enough that i was able to mount them on the underside of a shelf i already owned. The greenhouse is metal frame with lightweight wire shelving.