Resolution of the projector is the clarity of picture or video according to the area of the projection. There are some standard projectors with different resolution formats
VGA Resolution - 640 X 480 Pixels
XGA Resolution - 1024 X 768 Pixels
WXGA Resolution - 1280 X 800 Pixels
HD Resolution - 1920 X 1080 Pixels
4K Resolution - 3840 X 2160 Pixels
Best resolution can be decided according to the need, so you can call us and we can help you decide the best resolution according to your requirements.