What camera resolutions does Elephone M3 feature?

Here are details about the Elephone M3's camera sensors:
Rear Camera : 21 megapixel
Front Camera : 8 megapixel
Flash : Dual Led - More smartphones with Dual Led
Camera Options :
+ Autofocus
+ Digital zoom
+ HDR
+ ISO settings
+ Macro mode
+ Manual focus
Slow Motion Video : No , 30.0 fps