Limited to VGA (640x480). It looks grainy on 4K monitors.
Look for the "A4Tech PC Camera Driver" (v1.0 or 1.1). A4 Tech Pk 635M Kamera Driver Vista
Includes "anti-glare" coating to help in dim rooms. Limited to VGA (640x480)
If the installer fails, right-click the .exe , go to Properties , and set compatibility to "Windows XP SP2." right-click the .exe