I am using it to start my bud in a darkroom. It works well, easily, and seems to be effective so far. My plants respond well under the light. Great buy for the money.

How many watts per diode? Please do not answer or reply if you are going to say "I don't know"

Hi dear customer, the rated power of this grow light is 30 watts and it has 48 LEDs, each LED chip is about 0.6w, this grow light can replace 150W HPS or HID grow light. Thank you for your interest in our product!

Is this grow light good for citrus plants ?

Yes dear customer, this gow light is suitable for citrus plants, it has full spectrum and is mimicking the sunshine, your citrus plants will enjoy it, thank you for your interest in our product!

Is this light will work for basil plant?

Yes, it will. My plants have pretty much no other sunlight, and they are on a shelf with the light pointing to the shelf. This light saves my plants. It has been a week, and my plants have perked up, and I even have new buds sprouting up.