Suitable size: our hanging black rotating motor measures approx. 19 x 4.6 x 4.6 cm/ 7.48 x 1.8 x 1.8 inches, proper size is suitable for your daily decoration needs, you can use it in your decoration needs Quality material: our wind spinner motors are made of durable plastic material, featuring durability and no deformation, and can hold up to 4 pounds of weight; So most wind sculptures and spinners can fit on this motors Rotate function: you need a D battery (not included) to make it rotate; Roughly 30 RPM, this rotation speed can fit for displaying your hang decor, can make you ornaments rotate without the wind Wide application: you can use these mobile battery operated motors to hang your different decoration, such as windsocks, wind chime, wind spinners, to help you to decorate garden, lawn, porch and other place you need Practical design: these multi-purposes rotatable hooks have a hanger at the top and a clip at the bottom so you can use it anywhere, convenient to use and simple to operate, classic color can add different feeling to your decoration Feature: Good decoration tool: You need a D battery (not included) to make it rotate; Roughly 30 RPM, this rotation speed can fit for displaying your hang decor, can make you ornaments rotate without the wind. Rotatable function: These multi-purposes rotatable hooks have a hanger at the top and a clip at the bottom so you can use it anywhere, convenient to use and simple to operate, classic color can add different feeling to your decoration. Specifications: Material: plastic Size: approx. 19 x 4.6 x 4.6 cm/ 7.48 x 1.8 x 1.8 inches Color: black Package includes: 1 x hanging black rotating motor Notes: Please allow slight size errors due to manual measurement. Please allow slight color differences due to different displays.