Yesterday the cleaner for the first time tested and am really happy with it. The instrument itself should leave no questions unanswered. Everything to disassemble simple and reinigen.Anleitung short and everything erkärend. It should be so. The wiper I did not use for now. The battery is fully charged and losgelegt. One must use two or three times to the handling of the vacuum cleaner to cope with security. The squeegee is worked very precisely what is on the one hand very well but once you about intervening only a dog's hair, he immediately draws Streifen.Habe easy to suck out a "train" briefly wiped with a microfiber cloth lip. Went very well. Due to the size of the device, it is a problem to suck at the bottom, because you cooked up on the window sill on. So suck either at open windows or as I once down cross. It worked. After once suck along the edge and finished with a window cloth. Should suck on a site Avoid one twice. Gave me strip the rubber lip as with an eraser. Why I disconnect a star? The specified area specified for the battery of 75 sqm I think is not realistic. With me was to 30sqm conclusion. But I assume that the battery has its entire load capacity only after repeated and I certainly by try and test the handling and unnecessary battery consumption. I think 50sqm realistic thing that is perfectly adequate. I would buy it again, you should be going off a little training period only be clear. I hope I could help with this one or the other a little.