Purchased in September 2024. It has only been used for about a month, so it is generally in good condition. Packaging and shipping will be done using the original shipping box the product came in. Instruction manual included. Air purification coverage: 25 tatami mats (approx. 41 square meters) Purification time: 11 minutes for 8 tatami mats (approx. 13 square meters) Humidifying air purification coverage: 23 tatami mats (approx. 38 square meters) Purification time: 12 minutes for 8 tatami mats (approx. 13 square meters) Humidification coverage (pre-fab): 14 tatami mats (approx. 23 square meters) Humidification coverage (wooden): 8.5 tatami mats (approx. 14 square meters) Power consumption (air purification): 53W (High) / 8W (Medium) / 5W (Quiet) Operating noise (air purification): 53db (High) / 29db (Medium) / 18db (Quiet) Power consumption (humidifying air purification): 43W (High) / 11.5W (Medium) / 9W (Quiet) Operating noise (humidifying air purification): 51db (High) / 34db (Medium) / 25db (Quiet) Weight: 8kg Width: 360mm Depth: 238mm Height: 562mm