EASY TO CLEAN: When cleaning the UV lamp, cut off the power and use a clean, soft cloth or alcohol graze hanged gasoline and other organic solution to wipe. APPLICATION WIDELY: Used in daily necessities. Not only for the bed, clothes, masks, but also for telephones, chopsticks, spoons, dishes, desks, toilets, public places, cars, etc. Help to keep your home away from germ and without the risk of chemical contamination. Profits go to all hospitals in need of medical supplies during this pandemic.