A. Ultraviolet radiation destroys a large proportion of the DNA of bacteria and spores, while rinsing the brush under running water destroys a certain percentage of bacteria. B. The advantage of this stylish device is that it can dry and disinfect up to 4 toothbrushes at once and can also be used as a holder when not in use. C. The holder has 3 operating programs: sterilization only; air drying and sterilization; heat drying + air drying + sterilization. D. Usage: Press the button for 3 seconds to activate the desired program. The button has three different programs: Fast sterilization 180 seconds. Drying + sterilization 660 seconds. Heat drying + air drying + disinfection 960 seconds. E. The device turns off automatically and turns on itself every 8 hours so that the brushes are always in a sterile and clean state. F. To charge the device, it can be removed from the wall and carried as needed. The sterilizer has a 3000 mAh battery, which is charged with the included USB cable (adapter not included, suitable for most mobile phones). G. The toothbrush holder, together with the UV light sterilizer and dryer, is mounted on the wall with a double - sided sticker. There's no need to worry about having a socket next to the holder. H. Attention: The sterilizer itself cannot be washed with water. Use a dry cloth to clean it. The pink toothbrush holder inside can be removed and washed. I. After sticking the storage plate, it is recommended to wait 24 hours before hanging the holder. Tiles, walls or other similar surfaces must be clean and dry before gluing. J. When purchasing from the company Visas Pasaulis, the holder will be received on time and in a well - packaged condition.