Night lights are lights that are often used in the bedroom at night, or turned on when the night comes. It is a convenient and safe tool for kids to use. Night lights have the function of lighting up the dark night, and making the environment more peaceful. They can prevent adults and children from getting scared. Children are very sensitive to dark places, and using a night light also adds a sense of security. They also provide emergency lighting in the event of a power failure. Night lights come in a variety of shapes, sizes and colors, including different types of LED lights and even motion-sensing night lights. Night lights have become much more than just a source of light; they also act as a decoration for the bedroom and children's rooms. For example, there are stars, mermaids, cars, and other lovely shapes and colors available for purchase. Besides, night lights are important for childrens development. The soft and relaxed environment created by night lights can effectively help children have a good sleep and improve their imagination. To sum up, night lights are very necessary in the family, because they can bring convenience, safety and even better sleeping for kids. They are not only a practical tool, but also a decoration that can create an intimate atmosphere for children.