The battery motor is great for inside or outside under a porch.They run all day and never get hot. The hanging motor has a hanger at the top and a clip at the bottom so you can use it anywhere. Rotates at approximately 30 to 35 RPM,for something that needs to rotate, turn, twist, twirl, hang, & display. For items up to 4 pounds, avoid tugging or hanging items that are heavy. Colour:Black Material:plastic Size:About 19x4.5cm Package Contents: 3* wind spinner Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.