6mm Precision Mini Micro Planetary Reduction Reducer Gear Motor DC3V MotorFour Stage Condition: Item Type: Reduction MotorMaterial: Metal Optional Type: One Stage, Two Stage, Three Stage, Four Stage 6mm One Stage Reduction Motor Parameters: Rated Voltage: 3.0V DC Start Voltage: ≤1DVC No-Load Current: 50MA Blocking Current: ≤230MA Output RPM: 6420±120RPM Torsion Used: 5g.cm Transmission Ratio: 5.14:1 No-Load Noise: < 48DB 6mm Two Stage Reduction Motor Parameters: Rated Voltage: 3.0V DC Start Voltage: ≤1DVC No-Load Current: 50MA Blocking Current: ≤230MA Output RPM: 1200±120RPM Torsion Used: 27g.cm Transmission Ratio: 26.45 No-Load Noise: < 48DB 6mm Three Stage Reduction Motor Parameters: Rated Voltage: 3.0V DC Start Voltage: ≤1DVC No-Load Current: 230MA maximum Blocking Current: ≤200MA Output RPM: 242±120RPM Torsion Used: 120g.cm Transmission Ratio: 136.02 No-Load Noise: < 48DB 6mm Four Stage Reduction Motor Parameters: Rated Voltage: 3.0V DC Start Voltage: ≤0.5DVC No-Load Current: 200MA maximum Blocking Current: ≤200MA  Output RPM: 46±5RPM Torsion Used: 180g.cm Transmission Ratio: 699.5 No-Load Noise: < 48DB