Exquisite and Durable: watch winder is made of natural rubber wood, the surface is sprayed with environmentally friendly closed paint, transparent acrylic windows and exquisite hardware, making the automatic watch winder display case look high-end. Quiet Motor: This automatic watch winder is driven by a MABUCHI motor, it runs almost silently and can rotate in both directions. You can hardly hear any sound, even if this electric watch winder is right next to your bed. AC Adapter Use: At the back of the watch winder box, connect the power cord to the socket for use. The package includes the power cord. Dust Proof and Anti Magnetic: The metal frame and motor in the self winding watch winder are made of anti-magnetic materials, so your automatic watch will not be magnetized, and it can also block dust.