This is an IRIS OHYAMA heated humidifier. There is some limescale buildup on the heater from a few uses. (Image 2) It's mostly clean. Operation confirmed. - Brand: IRIS OHYAMA Provides a comfortable space with a humidification capacity of 260ml/h and a 2.4L tank. Continuous humidification for about 9 hours ☆ Relax with the aroma (with aroma tray) - Model Name: KSHM-260RA - Power Supply: AC100V - Power Consumption: 210W - Humidification Capacity: 260ml/h - Tank Capacity: 2.4L - Operating Noise: Quiet design - Size: Compact design Thank you for viewing. It will be shipped in a cardboard box!