What camera resolutions does Lenovo Vibe S1 feature?

Here are details about the Lenovo Vibe S1's camera sensors:
Rear Camera : 13 megapixel
Front Camera : 8 megapixel
Flash : Dual-color LED
Camera Options :
+ AF Phase Detection
+ Auto Flash
+ Continuos Shooting
+ Exposure compensation
+ Face detection
+ Geo tagging
+ High Dynamic Range mode (HDR)
+ ISO control
+ Self-timer
+ Touch to focus
+ White balance presets