What camera resolutions does Jiayu S1 feature?

Here are details about the Jiayu S1's camera sensors:
Rear Camera : 12.8 megapixel
Front Camera : 2 megapixel
Flash : Yes
Camera Options :
+ Autofocus
+ Face detection
+ Geotagging
+ HDR
+ ISO settings
+ Panorama
+ Touch focus
+ White balance settings
Slow Motion Video : No , 30.0 fps