This DC gearmotor has an exclusive upside down structure, 6V rated voltage, the no-load speed could arrive 150RPM. It is durable and easy to be drived by our Romeo BLE microcontroller. Specification Reduction Ratio: 100:1 Rated voltage: 6.0 V No-load speed: 150 RPM No-load Current: 30 mA Rated load speed: 120 RPM Rated Torque: 0.35 kg.cm Rated Current: 5 mA Stall Torque: 2.4 kg.cm Stall Current: 250 mA Weight: 12 g Shipping List Micro DC Geared Motor with Exclusive Upside Down Structure (6V 150RPM 2.4Kg.cm) x1