I used this for about a year and then stored it. I have confirmed that it works, but since it has been some time, I cannot guarantee against any future malfunctions. There is a color difference between the areas where a peelable sticker was applied to the surface and the areas where it was not. The filters inside may need to be replaced. Please check. KC-50TH1-W Serial number 1016424 Made in 2015 A reliable air purifier made by SHARP. [Features] Equipped with a humidifying function to improve dry air. Easy to set up with a touch-panel operation panel. [Design] Simple and stylish white design. - Brand: SHARP - Model: Air Purifier - Operation Panel: Touch control panel - Color: White - Function: With humidifying function - Size: Compact design Thank you for viewing.