The heavy-duty motor will hold a ball weighing up to 25 lbs. It causes the mirror ball to rotate at a slow 3 rpm. If you need the a motor that will cover those mid-size mirror balls, then the ADJ M-HDAC8 is the motor you are looking for. Supporting mirror balls up to 16 inches in size is an easy task for this motor. Let your mind be at ease knowing that your mirror ball is safely supported by the M-HDAC8 motor from ADJ. The M-HDAC8 motor will rotate those mirror balls with ease at a steady 3 RPM. Making sure that your audience experiences that classic mirror ball light effect. The M-HDAC8 motor is meant for indoor use only. ETL Approved. Power Draw: 3rpm 2.8W / .051 amps.