Using this Hulk 3D wall - mounted deco light is easy. First, find a suitable spot on your wall. Then, use the included crack sticker to create the Hulk smash effect and mount the light. When using, just plug it in and turn it on to enjoy the cool lighting. As for maintenance, keep it clean by gently wiping with a dry cloth. Avoid exposing it to water or high humidity. Also, don't try to disassemble it on your own as it may damage the light. With proper care, this light will serve you for a long time and continue to be a great decoration for your space.