If you are looking for an energy efficient and portable USB smart night light, then you should consider the Cheap Personal Design Mini Usb Smart Night Light Cylinder Lamp in Lemon Yellow. This mini light offers a stylish look without sacrificing the convenience of a USB powered night light. The lamp is compact and lightweight, weighing only 0.8 ounces, so it can easily fit into a pocket or bag. It is also made from a durable moisture-resistant ABS material, giving it a long service life. The light offers a 360-degree beam angle and three adjustable brightness settings, allowing you to customize the lighting to suit your needs. Its USB port is compatible with any USB power source, making it easy to charge the light wherever you have access to a power outlet. In addition to its energy efficiency, this lamp offers a unique customization option. It can be personalized by laser-printing your own logo or text onto the lamps surface. This is a great promotion and marketing tool for businesses to promote awareness of their products and services. This Cheap Personal Design Mini USB Smart Night Light marries convenience and customizable design into one product. It is a cost effective way to light up dark areas and to add style to your home or office. The lamp comes without a charger, but is compatible with any USB power source.