The Best Personal Design Mini Usb Smart Night Light Square Lamp - Color Fixing - Dry Battery Type is a well-designed lamp which provides light in the darkest of places. It is small and compact, weighing only 200grams, yet still has the capability to provide bright, even lighting in a room. The lamp is square, and its overall features are simple and elegant, making it look aesthetic and pleasing. The bulb in the lamp is a warm-white color, which helps to create a cozy atmosphere. Furthermore, the design is energy-efficient, using up to 80% less energy compared to other lamps. This helps to save money on energy bills. A durable body gives it an added layer of protection and keeps it in use for a longer time. In terms of power source, the lamp uses a dry battery type, which can be used for a long time without needing to be recharged. The smart features include a color fixing function, which can be preset to a certain setting in order to create the perfect ambience in the room. Moreover, the mini USB port on the side of the lamp makes it easy to charge and use wherever electricity is available. Finally, the Best Personal Design Mini Usb Smart Night Light Square Lamp - Color Fixing - Dry Battery Type is a great affordable and portable lighting option for any home. It is durable, energy-saving, and has convenient features to make lighting up a room easier.