Purchased last December and used for less than a month. Cleaned with Picapot (citric acid cleaning) before storage. Operation confirmed. I've misplaced the instruction manual and couldn't find it, so the item will be shipped with only the main unit and the power cord. Please understand. Humidification type: Steam type Applicable area (wooden Japanese-style room): 6 tatami mats Applicable area (prefabricated Western-style room): 10 tatami mats Tank capacity: 3L Installation type: Standalone Humidification volume/h: 350 mL Continuous humidification time: Strong approx. 8 hours, Medium approx. 16 hours, Weak approx. 32 hours Timer: Off timer 1, 2, 4 hours, On timer 4, 6, 8 hours Power consumption: 985W Cord length: 1.2 m Other features: Automatic operation/Child lock Width x Height x Depth: 240x325x275mm Weight: 2.7kg I will strive for prompt service after purchase. Overall, it's in a clean condition, but it's a used item that has been used a few times, so please refrain from purchasing if you are sensitive to such things. *No price negotiation *Instant purchase OK