1,Induction AC Motor: paper shredder motor. 2,small size,high efficiency.within 6 pieces shredding ability 3,UL certification Induction AC Motor: 1.Certification : UL 2.Rotation Speed : 2780~3850 RPM3.Rated voltage : 100~240 V4.Rated power : 0.032~0.058KW5.Model : 55 Series