[Request] Ceiling Light 320, 450, 480, 650mm Led Panel Technical Information

Hi, could you share the information on the Internal LED panel size in each of the model.
I need these information before I can decide which model to buy…
Thanks for your help.

  1. 320mm,— I think about 300mm320model

  2. 450mm,— I don’t know

3, 480mm,— I don’t know

  1. 650mm,— I think about 450mm