It is in good working condition. My grandmother occasionally used it and her health improved, so it is no longer needed. Purchased in May 2019. Includes a mat to place it on. Product Name: Gaia Ion SAJ Duralumin Type ■ Made in Japan ■ Dimensions: Main unit approx. H290 x W370 x D200mm / Hose approx. L1,500 x (diameter) 35mm ■ Weight: Approx. 6kg ■ Rated Voltage: AC100V ■ Radon Concentration: 60,000 Bq/m3 or more ■ Ion Generation: 5,000,000 ions/cc ■ Power Consumption: 2.0W ■ Retail Price: ¥660,000 (tax included)