what size for 2×4 led panel light?

what we call 2×4 led panel light, what size of it?

we call this kind of panel 60120.

if 3030 panel are 1 x 1 panel, 60120 are the 2 x 4 panel, it composed of 8 pcs 3030.

we are the manufacturer of led panels, we produced mounted/flat/recessed type.

more details, please visit our website for more details.