concobre Mini Humidifier No power required Natural evaporation type Approximately 13cm tall, approximately 7.5cm wide (size excluding the main unit and tray) Retail price: 2,800 yen This humidifier adds moisture by pouring water into its back. It's cute. I purchased this several years ago and have kept it at home. I've used it about 3 times. Returns are not accepted due to customer circumstances. Thank you.