The Panasonic PT-LW271 supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by multimedia projectors of this age and type. 640 x 480 (VGA) is also supported by this multimedia projector. In addition, this data projector supports a supported graphics resolutions of 1280 x 800 (WXGA).
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution amongst all projectors of a comparable spec and age to the PT-LW271.
The worst supported resolution amongst similar types of data projector is 640 x 480 (VGA).