Features a digital hygrometer, two bow holders, a full external music pocket and one internal compartment._x005F \n_x005F \n_x005F \n_x005F \nWARNING- KEEP BATTERIES OUT OF REACH OF CHILDREN_x005F \n_x005F \nThis case includes a digital hygrometer powered by a button battery. A screw has been fitted to the battery compartment to comply with Government regulations requiring a two-step locking device that secures button batteries keeping them safe from young children._x005F \n_x005F \nAlways ensure to reinstall the retaining screw after changing batteries. Should your case not have this retaining screw already installed please return it to your retailer._x005F \n_x005F \nSwallowing batteries of this type may lead to serious injury in a very short period and possibly result in death due to chemical burns and/or potential perforation of the oesophagus._x005F \n_x005F \nIf you suspect a child has swallowed or inserted a button battery into their mouth, immediately call the 24-hour Poisons Information Centre on 13 11 26 for fast, expert advice._x005F \n_x005F \nRegularly examine the battery compartment and retaining screw to ensure continued safety._x005F \n_x005F \nDispose of used button batteries immediately after removal. Button batteries may still be dangerous even after long-term use.