How many octaves?

7 octave and if the severe (88 notes in all, by telling the black)
How many sounds, effects available? Are they edited?

5 intruments sounds (piano, electric piano, harpsichord, strings and organ) they can even be varied and combined.

What connection (Audio, MIDI pedals ...)? ...

Outputs (L / Mono, R), Input (L / Mono, R), Headphone x 2 (stereo mini-jack), MIDI IN / MIDI OUT jack, sustain pedal and soft pedal.

UTILIZATION

The touch keyboard is it nice? Should your use?

A keyboard is pleasant to the touch, enough to approximate a "real" piano, whatever may be a little softer. It suits me perfectly, being a 13 year old.
The general configuration is simple?

Yes

SOUNDS

The sounds they are suitable to your style of music?

It suits me perfectly, I who love the classic style.
Are they realistic?

Yes
The effects are they effective and appropriate?

Yes
The expression is good? (Response to velocity, aftertouch)?

Yes
What are the sounds you prefer, you hate? ...

I love them all, but I like a little less electric piano ...

OVERALL OPINION

For how long have you been using it?

4 years

What thing do you like most/least about it?

Most +:

Reasonable price
Very good sound
Keyboard really good, close enough to touch
Nice look lacquered wood.
Did you try many other models before getting this one?

No
What is your opinion about the value for the price?

Excellent
Knowing what you know now, would you make the same choice? ...

If I did not have a family who can not stand the slightest noise, I would take a real upright piano, but not to disturb everyone, this is an excellent choice I do not regret at all!