M101-HD HEAVY DUTY PROFESSIONAL MIRROR BALL MOTOR INDOOR USE ONLY FOR USE WITH UP TO 20-INCH (51cm) MIRROR BALL MAX LOAD 22 lbs. (10kg) ROTATION SPEED: 0.8 to 1 RPM (Not Adjustable) DIMENSIONS Diameter: 7.50” (190 mm) Horizontal Height: 5.25” (133 mm) ELECTRICAL / THERMAL AC 100-120V - 50/60Hz Maximum Power Consumption: 4W Ta = 25° Tb= 30