Hitachi Robot Cleaner minimaru RV-DX1 Champagne Gold 2017 Model Robot Vacuum Cleaner Hitachi Robot Cleaner. You can also manually control it at home, with forward, right turn, left turn, and a little backward movements while watching the main unit. It's smaller than a Roomba, so it's more maneuverable and easier to clean under sofas and tables. Main Unit Dimensions (Body Size) • Width (Horizontal): Approx. 25.0 cm • Depth (Front to Back): Approx. 25.0 cm • Height (Thickness): Approx. 9.2 cm Cleaning Time / Charging Time Up to approx. 60 minutes (Automatic mode / Normal course *1) Approx. 3 hours (Varies depending on usage time, ambient temperature, etc.) Operating Area Up to approx. 32 tatami mats <Charging Station> Power Consumption: Approx. 27W when charging, Approx. 0.8W when the main unit is detached Cord Length: 1.3m Dimensions: Length 97 x Width 173 x Height 108mm Weight: 0.4kg *There are some scratches and stains. Used about once every 3 months. (Low frequency of use) The operation is normal and works without any problems. One side brush is missing. (See photo) Cleaned. Operation confirmed. Please understand that this is a used item, and only those who can accept this are welcome to purchase. Please refrain from purchasing if you are concerned.