What camera resolutions does Lenovo S860 feature?

Here are details about the Lenovo S860's camera sensors:
Rear Camera : 8 megapixel
Front Camera : 1.6 megapixel
Flash : Yes
Camera Options :
+ Autofocus
+ Face detection
+ Geotagging
+ HDR
+ Touch focus
Slow Motion Video : No , 30.0 fps