Introducing the Best Personal Design Mini USB Smart Night Light Cylindrical Lamp - Color Fixing-dry Battery Type. This lamp can provide you with maximum convenience and comfort every night. The smart night light is designed with a cylindrical shape to suit the design of any room. It is made of high-quality plastic, which is not only durable but also safe. The light source of this lamp comes from a LED chip, which offers up to 1W power and 50 lumen brightness. In terms of design, this night light adopts a creative color fixing system. You can easily select your favorite colors by pressing a single button. The colors will adjust and stay the same all the time. Moreover, there is a built-in light sensor which automatically activate the light when the room is dark. To power the lamp, you can either use an USB connection or a dry battery. The USB port is very convenient for use at home and the dry battery is perfect for outdoor activities when there is no access to a power source. It also has a user friendly design with a humanized handle. You can easily move and take it anywhere you want. In conclusion, the Best Personal Design Mini USB Smart Night Light Cylindrical Lamp – Color Fixing-dry Battery Type is a great choice for you to enjoy a comfortable and peaceful night. Its interesting design, easy-to-use functions and long-lasting performance will satisfy your needs.