We are selling our iRobot Roomba i7 model, bought in February this year. It was been used maybe 1-2 months, for the rest it's been mainly unused as it doesn't really fit our needs and we prefer to hover ourselves. 

Find more technical info here: amazon.de/iRobot-Saugroboter-Gummibürsten-extrastarker-Saugleistung/dp/B07PDZG1QV/ref=sr_1_3?crid=PVTO8K46JMUA&keywords=roomba+i7&qid=1699273137&sprefix=roomba+i,aps,146&sr=8-3&th=1