Operation Voltage(rated)：DC7.4V Operation Voltage: DC6.0V- 8.4V Torque: 28Kg.cm@6.0V 32Kg.cm@7.4V Speed: 0.15sec/60°@6.0V 0.14sec/60°@7.4V Size: 40.50*21*38.50mm Weight: 78g Motor: Coreless Position sensor: Contactless