Not even the size of a t5, let alone t8. Only about 6 inches per light. The aluminum panels are not adjustable at all.

The clip opens up enough to fit the 1. Led. Since we have small children we needed to move our indoor potted plants to a spot where they're less likely to be knocked over. The timer feature is awsome!

The hoya has several new leaves and the palm has nearly doubled in size in two short months. I prefer how this light allows you to change color temp for either yellow or white.

Watt light isn't as bright as a 50 watt old fashioned light bulb. Area of illumination is rather narrow.

No warranty info or a way to submit a warranty claim via amazon. Its clock starts when you press the button so you have to be there at the exact time that you want it to light.