Night lights are a kind of illuminant which can emit electromagnetic wave by using different leds and illuminate the darkness of night, providing an environment of assurance and comfort for people. When darkness settled, night lights can take us round the clock in security and comfort without danger. Without night lights coming on, life at night would more dangerous because night lights always create a safety environment. It not only protect people from stumbling when they pass by, but also help reducing the fear of the night and make anyone feel safety. Moreover, night lights can illuminate the darkness of night. In the midnight, the tiny but bright night lights can lead your way in darkness and provide a cool and comfortable experience during the night. The magical effect of night lights can also bring warmth to people who are alone. In the darkness, you will feel that you are not alone. It is amazing to notice that the attractive brightness of night lights can add more pleasure to a lonesome night. In addition, night lights have become an indispensable part in many families. Especially for small children, these magical night lights can arouse their interests in night and inspire their personality in darkness. Most importantly, it can protect them from anything unexpected. All in all, night lights are really an indispensable part in our life. It helps us to feel safe, warm and give us a fantastic night time experience.