Article delivered quickly, but with his damaged cardboard with a big trace of shock. No additional protection. Apparatus forming an unusual and unpleasant noise and after my request on the normality of this situation, only walking again answer is to contact an authorized service center as manufacturer only! I needed this device quickly and voila in an approved center for 3 weeks and no news. Worse is hang up on me when I ask politely what it is! Too bad the unit itself looks interesting, quiet (except a strange sofa bed in my case), efficient and lightweight, I emptied several water tank in no time. But the seller is to be avoided and suddenly I could not test it much .. I raise the note can be if one day I get this device ...