Spider farmer lights are top of the line. Lamp is 120v. Roi power is 230v. The lights are quite warm but this is helpful in my un heated garage when temperatures dip, i run the lights 10 hrs a day.

The main thing is to be aware that this company is not what it purports to be. They are very difficult to work with and, without amazon's return policy, they will not refund and they force you to pay for return shipping. Their return communication is ...  Read More

Both of our lights appear to b start to show rusty lookin corrosion underneath the epoxy coating.

This light is amazing the plants i grow under it have never been happier. It delivers numbers extremely close to those advertised.

Light is surprisingly bright and my plants are really flourishing. They keep blooming or wanting to bloom. One of the lettuces we grow is red oak leaf.

Worked for 4-5 months, then turned into a strobe light, flickering incessantly. Downside is that in the night it flashs just like a police light.

The build quality is on the low end. It’s a bit irritating. We are a family that doesn't like to add more stuff to the landfill. I honestly think that they truly think that their customers won't have a par meter to check the actual readings.