Motor Power:400W~1kW Motor Rated Voltage:24V / 48V Motor Rated Speed:3000RPM Motor Rated Torque:1.28~3.2N-m Motor Reduction Ratio of Moving: 12:1 / 15:1 / 16:1 / 20:1 / 25:1 / 28:1 / 35:1 / 50:1 / 70:1 Optional Accessories:Brake