Fixed focus (OK up to 30cm), bad (or "no") backlight compensation, "redish" color, bad in low-light
The attached screenshots are taken by the W1 and a Logitech C922 Pro - about the same resolution, but very different features and quality (and price, but the difference is very much worth it, IMO).
The cameras were side-by-side at the top of my 25" screen at the desk in
See attached - even if I am not the best subject, shall give an idea.