I bought this last year and only got to use it few times,only selling as I have no time to use it. There is some good guides on YouTube but it is extremely easy to use.

It have few scratches which are normal as you need to put this in a bag with ball head etc. It works like a treat :) 

Polarie alone is sold around £350 and polar scope is sold around £170.

Polar scope is sort of must if you want to take long exposures.

Porarie is a camera pan head of a motor driven to move according to the movement of the celestial bodies.
And put the camera it is possible to take a photo to Porarie, you can take a star as a point image.
This is quite useful for shooting imprint stars and scenery together "Hoshikei photograph".

About 2 hours operating in the AA alkaline batteries (rechargeable battery usable).
Long drive also possible of using an external power supply.

Compass
Compass is built in on the back cover of Porarie. It matches the approximate direction even in places invisible star.

Inclinometer
Equipped with a backlit inclinometer to Horarie side. When the mode dial to setting mode and illuminates an inclinometer to be able to Settings in the dark.
Built-in backlight showing the operation state is also the mode dial.

Polaris peephole
Toward nearly Polaris of position Porarie, to align the rotation axis of the rotating shaft and the star of the diurnal motion of Porarie.
When performing a long exposure shooting, setting using the polar axis telescope  (polar axis alignment).