Using this Iron Man 3D wall - mounted light is easy. First, find a good spot on the wall to hang it up. Then, insert the batteries (they're not included, so you'll need to get them separately). Once the batteries are in, the light will turn on. You can add the cracked sticker to the light for a more realistic look. When it comes to maintenance, keep the light clean by gently wiping it with a dry cloth. Avoid getting it wet as it might damage the LEDs. If the light stops working, check to see if the batteries need to be replaced. Have fun decorating your room with this cool Iron Man light!