Using this SH Figuarts Kamen Rider Zero One LED Luminous Head is a breeze. First, make sure the CR927 battery is properly installed. You can turn the lights on and off either by using the magnet or the progrise key. When playing with it, handle it gently to avoid any damage to the lights or the head. As for maintenance, keep it in a dry place away from direct sunlight. If the battery runs out, simply replace it with a new CR927 battery to keep the lights shining. Enjoy your amazing Kamen Rider Zero One figure with this cool addition!