The use of small night light is very rich, which not only creates a comfortable atmosphere, but also protects the user's eyes. It can provide a visual light source for the home environment of the user for a long time. Although the light is not strong, it can see all the objects in the room, avoiding the stumbling when you get up at night. Using night lights in children's rooms, its gentle lighting not only creates a relatively quiet atmosphere for children, but also allows them to wake up in the middle of the night without fear.