Why does my object appear flat when rendering? I'm new to blender. I have an object that I want to export as png sequence or avi. However when I render it, the object is flat and dark. How do I fix this?

I placed the camera correctly as well. Below are screenshots:
This is how it looks like originally:



This is how it looks like in test render or even in real animation render, whether avi or png or jpg:
You have no light in your scene, add a sun, spot, point or anything to give some light