I was wrong, the 9$ are for NoIR camera with M12 lens mount and lens. I just ordered 4 new NoIR cameras for 2.84$(!) including shipping! https://www.aliexpress.

I was wrong, the 9$ are for NoIR camera with M12 lens mount and lens. I just ordered 4 new NoIR cameras for 2.84$(!) including shipping! https://www.aliexpress.com/item/32946093276.html https://www.aliexpress.com/item/32946093276.html