This Heiden automatic single watch winder is a new design. It is dual powered which means it will run either on batteries (AAA size) or using the included power adapter. This model is perfect for automatic watch owners who would like to have the choice of storing inside a drawer, closet, or safe. This model has 4 different settings to accomodate many brands and models of automatic watches. Feature Description: White gloss shell and light blue leather interior with spring action watch pillow Watch winder motor has four different settings Can run on batteries (AAA size) Power adapter included 1 year warranty Dimensions: 6 x 6 x 5 inches (L x W x D) Model: hd003white Model: hd003_white Weight: 3.00lbs