Features: 1.PANORAMIC SUNROOF: Watch winder with rotating face case, panoramic sunroof protective case, safe isolation, multiple protection. 2.ANTI MAGNETIC DESIGN: The watch winder adopts an anti magnetic design, with a distance of more than 5cm to block the magnetic field from harming the watch, so that your watch is always accurate and on time. 3.QUIET OPERATION: Watch winder adopts a constant speed silent motor, the rotation speed is even and stable, fully enclosed design, reduce vibration, quiet operation. 4.TWO POWER SUPPLY MODES: Plug in and battery dual purpose design, USB power socket on the back, compatible with USB interface devices, battery mounting port on the back, place 1 AA dry battery. 5.DISPLAY WATCH: Watch winder can also be used as a display ornament, which can perfectly display your watch, practical and beautiful. specification:Item Type: Automatic Watch Winder Material: ABS Usage: Watch Winder, Ornaments Battery: 1 AA Battery (Battery Not Included) Size: Approx. 150 x 140 x 140mm / 5.9 x 5.5 x 5.5in Color: Space White PackageList:1 x AutomaticWatchWinder (BatteryNot Included) 1 x USB Cable 1 x English Manual NoteManual measurement please allow some error.