Model: Xh-1T Input voltage::220(V) Motor power: 0.12 (kw) Speed regulation mode: motor frequency conversion stepless speed regulation Roller diameter: 250 (mm) Roller width: 50 (mm) Roller speed: 80~1600mm/min (r/min) Adapt to welding diameter: 50-600 (mm) Load: 1000kg Working voltage: 220V 50/60HZ