4 piece rotating cyclone wind motor screen twist vortex Description. This battery powered motor is perfect for providing a spinning boost to your hanging decor. It can hold up to 4 lbs of weight, so most wind spinners can be mounted on this motor. Practical has a hanger at the top and a clip at the bottom so you can use it anywhere. Made from durable plastic and metal materials to make it long-lasting Specifications. Material: stainless steel + plastic Colour: Black Overall size: approx. Total length 19cm ,diameter 4.6cm Motor length: 12.5cm / 4.92 inches Battery: 1 size battery (not included) Rotational speed: 30 rpm Package includes: 4 pieces of wind rotating motor Caution. Please allow 1-3mm error in manual measurement, please confirm before bidding. Due to different monitors and lighting effects, the actual colour may differ slightly from the picture.