What camera resolutions does ZTE Nubia Z5S feature?

Here are details about the ZTE Nubia Z5S's camera sensors:
Rear Camera : 13 megapixel
Front Camera : 5 megapixel
Flash : Yes
Camera Options :
+ Autofocus
+ Face detection
+ Geotagging
+ HDR
+ Optical image stabilization
+ Panorama
+ Touch focus
Slow Motion Video : Yes , 120.0 fps