Features: Multiple Functions: Sterilization, disinfection, odor elimination and formaldehyde removal, effectively purify living environment. UVC + O3 Working Mode: UV disinfection combines with ozone deodorization, double sterilization for better effect. Portable for Use: Mini and portable size, convenient for carrying it with you anywhere, especially good for your trip. Rechargeable Design: Built-in 3.7V 500mAh polymer battery, you can charge it via the Micro USB interface. Wide Applications: Widely used in the car, kitchen, washroom, toilet, cabinet, closet, pets house, etc.