Phantom of the Opera Mask and Rose Glass Music Box plays the original "Overture" upon sensing light; main on-off switch is inside. Requires 3 x AAA batteries (not included). Two compartments inside: the removable music box on the left plus a small storage area on the right. A chic, glossy black music box for fans of Phantom of The Opera. Thick glass with beveled edges. Solid feel. Raised 3D mask figure on top with rose and scroll border artwork. Compact size conveniently fits in any setting. Small, 4" x 4" x 2.75". Very well finished. Black felt on bottom. Stands on 4 small silicone feet. This black glass music box is perfect for a keepsake!