To use this Batman wall clock, simply hang it on a wall using a nail or hook. Make sure the surface is sturdy enough to support the weight. When it comes to power, insert the appropriate batteries as indicated in the clock's battery compartment. For maintenance, keep the clock away from direct sunlight and moisture to prevent damage to the plastic case and the movement. If the clock gets dirty, you can gently wipe it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials as they may scratch the clock face or damage the logo.