Applied to all zosi system,zosi smart app;
Color Night Vision means it will turn on the spolights ,achieve color images;
Black and White Night Vision menas it will achieve black and white image ,white IR LED'S triggered;
Smart Night Vision means the night vision is defaulted to black anf white,switch to color when detect motion;
From above, you can choose a night mode you like,not all products have these Settings, please consult our customer service for details.
If these can't help you, please provide these informations and email to our customer services.