ULTERWAVE Mask Sterilization Case Ver2 MDK-M02 - Function: Sterilization by UV-C LED - Sterilization Rate: 99.9% - Power: DC5V 1A - Size: 13cm x 13cm x 3.6cm Although it is new and unused, the case is dirty from being stored at home, so I will package only the contents neatly and ship them. Thank you for your understanding. Thank you for looking.