What camera resolutions does ZTE Nubia Z5S Mini feature?

Here are details about the ZTE Nubia Z5S Mini's camera sensors:
Rear Camera : 12.8 megapixel
Front Camera : 5 megapixel
Flash : Yes
Camera Options :
+ Autofocus
+ Face detection
+ Geotagging
+ HDR
+ Panorama
Slow Motion Video : No , 30.0 fps