Operating Voltage 4.8-6.0VSTD Direction Counter Clockwise/Pulse Traveling 1500 to 1900usec Stall Torque 4.8V ≥2.2kgf.cm(30.8oz/in)Stall Torque 6.0V ≥2.5kgf.cm(35.0oz/in) Operating Speed 4.8V 0.11sec/60°at no loadOperating Speed 6.0V 0.09sec/60°at no loadSize 40x12,8x31,5mmWeight 16.2g(0.56 oz)