PRODUCT PARAMETERS:Name: 4 + 6 automatic winderStyle: rotating 4 watch + 6 watch storage Size: 30.5*24.5*17.5CMWeight: 4KGMaterial: embryo body is MDF / outer black skin PU / inner brown PU leather / hardware accessoriesMode: turn counterclockwise for 2 minutes, stop for 6 minutes; turn clockwise for 2 minutes, stop for 6 minutes; cycle, 10-12 revolutions per minute;Electronic equipment: Japanese silent motor, running sound as low as 10 decibels.Voltage: can be directly plugged into the power supply (voltage is 100-240V, 50/60HZ, 0.3A) worldwideApplicable to: 99% automatic mechanical watch.Packing: 1 * The winder on the watch. 1 * Manual. 1 * Original adapter. 1 * key.WIDELY USED: suitable for personal use and commercial use; it is also an ideal choice for home decoration. The best gift for Christmas / Anniversary / Father / Birthday / Valentine's Day.100% SATISFACTION GUARANTEE: Our goal is to provide our customers with the best products and services. If you have any questions or concerns, please feel free to contact us.