What are the differences between the projectors?

• See the table below.

  	PowerLite 530 for SMART	PowerLite 580 for SMART	PowerLite 585W for SMART	PowerLite 680 for SMART	PowerLite 685W for SMART
  Aspect ratio	4:3, XGA	4:3, XGA	16:10, WXGA	4:3, XGA	16:10, WXGA
  Screen size for SMART	77 inch	77 inch	87 inch	77 inch	87 inch
  Compatible SMART board	SBM680, SB880	SBM680, SB880	SBM685, SB885	SBM680, SB880	SBM685, SB885
  Distance from projector to whiteboard	2' 10"	8"	9"	7"	8"
  Mount	Not included	Included	Included	Not included	Not included
  Brightness	3200 lumens	3200 lumens	3300 lumens	3500 lumens	3500 lumens
  Lamp life	Up to 10,000 hours in Eco mode	Up to 6,000 hours in Eco mode	Up to 6,000 hours in Eco mode	Up to 10,000 hours in ECO mode	Up to 10,000 hours in ECO mode