Is the electricity installed?
It has two outlets and a cord for you to plug into electricity or generator
Is the generator required to use electricity?
You can use a generator or regular outlet with an adapter. It does not have a generator that comes with it.
Is there an A/C unit inside?
Is this still available?
Yes, it is still available
Do you have a better picture where the brown wood is?
What are the dimensions of this trailer floor (e.g. 8.5x16')?
What are the axle ratings or GVWR of the trailer?