I am selling this item because I no longer need it. It is new and unused, so I have only photographed the exterior. The product details are quoted from the HP, etc. Please feel free to message me if you have any questions. - Brand: KODEN - Model Name: VWU201H - Size: 176cm x 176cm - Power Consumption: 480W - Features: Compact storage - Heat retention: Heat retention by air layer - Suitable tatami mat size: Approximately 2 tatami mats - Voltage: 100V Thank you for looking. Number of tatami mats: 2 to less than 3 mats