Question / Help Logitech c922 OBS (Pal system)

I have a logitech c920, and I work with Mac 10.11.6. I'm trying to connect a second usb webcam Logitech c922 but I can't change ntsc to pal because the application Logitech Gaming Software can't see the model c922 and to work good need to change ntsc to pal. Could you help me please? Can I connect 2 c920? Could you recommend me more webcam full hd 1080 with adapter to tripod? Thank you so much. :)
 
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