What camera resolutions does O+ 8.36z Android feature?

Here are details about the O+ 8.36z Android's camera sensors:
Rear Camera : 3.1 megapixel
Front Camera : 0.3 megapixel
Optical Zoom : 4x
Camera Options :
+ Front Facing Camera
+ Rear Facing Camera
+ LED Flash
+ Autofocus
+ Digital Zoom
+ Smile Detection