The highest video resolution of the NW-1000 is 1920 x 1080 pixels. That's over six times the video resolution of the most common maximum video resolution of 640 x 480 pixels.
A 1920 x 1080 pixels maximum video resolution is in fact the best video resolution amongst all webcams of this spec and age.
A 640 x 480 pixels maximum video resolution is the worst video resolution across similar types of webcam.
We think you might also be interested in some of the other webcams that have a video resolution of 1920 x 1080 pixels currently available including because of it's better review score, the LG AN-VC500 ($79.95).