What camera resolutions does Vivo X3S feature?

Here are details about the Vivo X3S's camera sensors:
Rear Camera : 12.6 megapixel
Front Camera : 4.9 megapixel
Flash : Yes
Camera Options :
+ Autofocus
+ Exposure compensation
+ Face detection
+ Geotagging
+ HDR
+ ISO settings
+ Panorama
+ Touch focus
+ White balance settings
Slow Motion Video : No , 30.0 fps