The workmanship is good and can be loud instructions is a transport on the car roof up to speeds of 130km / h; This I would not recommend, however, since the location good - eg outside tree shade where we had Probeme - should be chosen, making the hard shell case easily a mobile transport. The unit base is also heavy enough to allow free installation and all movements without any problems.
A little tip at the end as I nowhere the original transformer was - following works well:
PSC = 1