Personal Design Mini Usb Smart Night Light Square Light - Colorful Gradient-dry Battery Type With Discount If you need a light to illuminate your bedroom or living room at night, this Personal Design Mini USB Smart Night Light Square Light - Colorful Gradient-Dry Battery Type with Discount is the perfect item for you. Not only is it easy to install and use, but its colorful gradient also adds a nice touch to your room. This light is very easy to install and use. It is powered by dry battery and the power button is located on the back of the light. To turn it on, simply push the power button and it will light up. The brightness of the light can also be adjusted by pressing and holding the button until it reaches the desired brightness. It can then be turned off by pressing the power button again. The color of the light is also adjustable. You can choose between a static color or a colorful gradient. To change the color, simply press the button located at the bottom of the light and select the desired color. This way, you can customize the color of your light to match the rest of your bedroom or living room. This light also comes with a discount when you purchase it online. So if you are looking for a quality light to illuminate your room, this Personal Design mini USB smart night light square light - colorful gradient-dry battery type with discount is a great option.