Medium-speed of approximately 30±5 RPM, depending on the weight of the item and battery power. This speed is perfect for your hanging decorations to reveal a magical reflective visual effect. Suitable for rotating mirror disco balls, wind chimes, wind spinners for hanging and display. The wind chimes motor can hold up to still spin smoothly. Most wind chimes and spinners, crib mobile spinners can be installed on this motor hook. This wind spinner motor is made of and sturdy black environmentally friendly plastic material, sturdy, corrosion-resistant, anti-aging, fall-resistant, and . You hang the decoration on the rotating motor hook and flip the switch. It will spin your hanging decorations. The rotating motor can be used both indoors and outdoors, but it is not rainproof. The hanging rotating motor is powered by a battery(Not included), and then it can rotate your hanging decoration even in a non-wind environment.Specifications:Part Name:Hanging Rotating MotorMaterial:PlasticSize:total length 19CM, diameter 4CMWeight: 0.11KG/3.53OZColor:BlackRotate Sped: 30±5 RPMBattery: D Battery(Not Included)Package Content:1pcs Rotating Black Motor Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.