This item was purchased new and stored at home. It was used in a child's room, but hasn't been used for the past few years. It was stored in a dark place, and I have confirmed the power supply; it appears to be working fine as shown in the images. Air purifier with air sign, eco mode, and odor sensor. - Model Name: PA-HB16 - Power Supply: 100V 50/60Hz - Power Consumption: 38/44W - Functions: Air sign, eco mode, odor sensor Thank you for viewing.