The closet UVC Sterilizer is an intelligently controlled, ultraviolet, wireless sterilizer. The telescopic structure extends to securely grip the wardrobe walls. Assembly is easy and requires no tools. The wide-angle UV-C LED module combines intelligent clothes detection and lighting control for efficiency and energy saving—a single charge can last for over two months. Equipped with a Bluetooth module, it connects to mobile devices and a smart sensor detects movement at a certain distance and switches off the sterilizer to prevent ultraviolet-C radiation damage.