The NEC NP-PE401H supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most common resolution supported by multimedia projectors that were released around the same time as the NP-PE401H. 640 x 480 (VGA) is also supported by this NEC projector. In addition, this projector support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+) and 1600 x 1200 (UXGA) and 800 x 600 (SVGA).
A 1920 x 1200 (WUXGA) supported graphics resolutions is actually the best supported resolution amongst all comparable spec data projectors that have been available for a similar time to the NP-PE401H.
Amongst comparable types of multimedia projector the worst supported resolution is 640 x 480 (VGA).