With inside lighting and inside reflecting material Power of Lamp:55Wx3=165W Voltage:220V-240V Color Temperature of Lamp:5400k Ra>90 Width of shooting object:Appro.90cm Size:Appro.140cmx150cmx173cm 1.lnside Lighting and inside reflecting matenrial make the light more available and more soft,also do has no trouble of testing lighting position. 2.professional Lighting for Factory,Photo Company, Trading company and website seller to take photo of product by themself easily. 3.Easy to assemble.