Performance stability: The rotating motor of the hanging wind propellers is in the house inside or outside the porch. They run all day, never get hot. This battery-powered motor is ideal for provide powerrotation for hanging decoration. High Load Capacity: The rotary motor of hanging weather vanes can support light items weighing no more than 4 pounds, heavy load weight, so most wind regulators can be installed on this motor. 30 RPM Rotating Speed: The rotating speed is about 30 RPM, medium speed, easy to hang your ornaments, can rotate, twist, twist, rotate, hang and display your ornaments , environmentally friendly. Quality Material: Our rotary motor for hanging wind turbines is made of durable plastic and metal materials (motor components), sturdy and exquisite workmanship, can be used for a long time. Applicable environment: The top of the hanging rotary motor has a hanger, with a clip at the bottom so you can use it anywhere, avoid pulling or hanging heavier items. Specification: Item Type: Rotary Engine Material: stainless steel + plastic Color: Black Product size: approx. 18.5x4cm/7.3x1.6inch Battery: D battery (not included) Weight: approx. 99g/3.5oz Speed: 30 rpm List of packages: 1 x rotary motor (battery not included) Note: 1. Please allow 1-2 inch error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard. 3. For lightweight items weighing up to 4 pounds, avoid pulling or hanging heavy items.