Using this 3D LED night light is easy. First, find a suitable place for it in your room. Then, connect the USB interface to a power source, like a computer or a power adapter. Once it's connected, the light will turn on, creating a warm and romantic atmosphere. When it comes to maintenance, you can gently wipe the light panel with a soft, dry cloth to keep it clean. Just be careful not to use any harsh chemicals. Also, remember that because of different monitors and light conditions, the actual color of the light might be a bit different from what you see in the picture. And due to manual measurement, there could be a small size difference. Enjoy your beautiful night light!