Mainly used in robot platform and car provide power, Good quality and long lifetime, High torgue and Low nosie. It's running at 319RPM. SPECIFICATION• Rated Voltage: DC 12V• No load speed: 319rpm• No Load Current: 100mA • load torque: 0.28kg.cm • load Speed: 255rpm • load Current: 170mA • load out put: 0.8w • Stall torque: 1.1kg.cm • Stall Current: 1.2kg.cm • Ratio: 18.8 • Weight:150g DOCUMENTS• For any technical support or suggestion, please kindly go to our forum.