Using this Mini Star Lantern is easy. Just plug it into a USB port and it will light up right away. You can put it in your car, on your Christmas tree, or any place you want to add some festive touch. When it comes to the sticker face, you can change it once a year to keep it looking fresh with the latest design. As for maintenance, since it has a plastic frame, just use a dry cloth to wipe it clean if it gets dirty. Remember, it runs on 12v DC, so make sure to use a suitable power source. Don't expose it to water or excessive heat to ensure its long - term use.