Don't think I can install 3-way switch

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Don't think I can install 3-way switch

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Don't think I can install 3-way switch
Don't think I can install 3-way switch
2020-10-12 22:58:18
Model: HS210  
Hardware Version:
Firmware Version:

The bottom stairs have red, back and white. Upstairs has red black and white, plus white and black nutted together.

I'm guessing I can't install? Any ideas?

 

Thanks!

 

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