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

Great lamp. Adjustable brightness makes it easy to install. Great build quality and adjustable brightness is wonderful. Lowest setting is still bright but not as intense.

The only problem i see is the plug in port for daisy chaining other lights into this one is that it's not for american plugs. Love the dial to adjust the intensity of the light. Will reorder if needed. Linking multiple works perfect.

This thing has a constant rotation ac fan that buzzes loudly - it's like a mixture of a * line voltage fan that has the worst bearings imaginable that is over-dimensioned for the application by a factor of 10. Lights completely shut off when the dial ...  Read More

This light isn't great. It's supposed to be adjustable! Sadly that's not usable for us. Google this ish.