Disco Mirror Ball Rotating Motor or Spinning Motor for Halloween Props Decorations Mirror Ball Motor is what you need for a disco ball or to slowly spin a light around the room. Does not include mirror ball Requires 1"D" battery (Shown in Photo brass color but not included) Battery not included Battery-operated motor for use with mirror balls up to 12" in diameter. Unit length measures approximately 7-8" from end of the hanging hook to the hook that holds the ball. Battery Operated Mirror Ball Motor Features: Mirror ball hook Motor housing Battery holder Hanger Rotate at about 4 RPMs Motor can hold up to 6 lbs. Recommended for up to 12" mirror balls.