Method of supplying power: Open the cover of battery cabinet and install four new R6 (size AA) batteries. Or use 9 V to 3.5 V DC adaptor. After connecting with power, the device instantly starts work. The device is completely close and with nanotechnological and photocatalitic disposal inside. It realizes triple recycle sterilization with super ultraviolet light, ozone and photocatalyst. Work of the device is controlled by microcomputer. When the door of this device is closed, it starts emitting[...]