The Epson 536Wi supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of the most frequently found graphics resolution of 640 x 480 (VGA) (which is also supported by this projector). This data projector also support graphics resolutions of 1280 x 960, 1366 x 768, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+) and 1440 x 900 (WXGA+) and 800 x 600 (SVGA).
This data projector's resolution (1600 x 1200 (UXGA)) is actually the best supported resolution amongst all 16000:1 contrast ratio projectors that were released around the same time as the 536Wi.
Amongst similar types of data projector the worst supported resolution is 640 x 480 (VGA).