Specifications:- Mirror Ball- Ball Diameter 15 3/4" (40 cm)- Material Foam, Glass- Net Weight 3.5 Lbs (1.6 kg)- Motor- Overall Dimension(LxWxH) 5 1/8" x 5 1/8" x 3 1/8" (13 x 13 x 8 cm)- Voltage 120 V- Motor Speed 6 rpm- Net Weight 0.44 Lb (0.2 kg). Package Contents:- 1x Disco Ball- 1x Motor- 1x Power Cord- 1x Manual. Notice: - Please note that it is better to take out the used battery to prevent leakage of electricity from affecting the function of the motor.