Printing width 3.2m Print-head form XAAR128 Print-head Print-head quantity 4 3 Printing resolution 360/720dpi Printing speed 2PASS-51m2/h 3PASS-37m2/h 4PASS-28m2/h 6PASS-22m2/h 720DPI Printer can only print 4 and 6 pass) File format JPEG/TIFF (RGB CMYK) Power Single-phase/220V/800W Machine size 4700mm 850mm 1270mm Environment request indoor temperature is 20-28 degree, indoor humidity is 40%-60% which can not be clotted.