Battery Powered: Only requires one "D" type battery to operate (batteries not included on domestic sales only) with long life. Spins at approximately 30 RPM, great speed for wind mobiles, crystal mobiles and spirals, or any other decoration. Multi-function:Looking for something that spins, twists, swirls, hangs. Look no further. Bring your wind mobile to life , crystal mobiles, and merchandise for sale. Flags, windsocks, chimes, and more. Small, strong, and durable: ideal for lightweight items and holds up to 2.3 kg easily. Avoid pulling or hanging heavy items. They work every day and never get hot. They are not very noisy or very big. Indoor and outdoor use: The battery motor is great for inside the house or outside on a porch. Try to find a well-protected area away from too much moisture or rain. Tips: Disable them when not in use and avoid bad weather as much as possible.Improve the length (adjust the height) by adding a swivel clip or swivel chain.The chain or swivel of rotation will protect the motor from resistance. By adding a swivel, your item can also spin a little in the wind.