Water saving - washing waste water is being filtered and used for cleaning toilet. Design - wall mounting together with modern panels and lcd door allow unique modern design in the bathroom. Benefits - Water saving, unique design possibilities, comfortable height, door lcd touch panel for programming and displaying any content via bluetooth, inteligent powder dosage unit. Tech - The big tank is automatically connected with the traditional small toilet tank, they cooperate to use as much waste washing water as possible yet always letting little pure water at the end to avoid smelly water in the toilet. Whenever touched the door lcd panel screens control panel allowing also to open the door. It can screen any content from local wifi or play music through built in speakers.