SPECIFICATIONS: Operating Speed (5.0V): 0.08sec/60 degrees Operating Speed (6.0V): 0.06sec/60 degrees Operating Speed (7.4V): 0.04sec/60 degrees Operating Speed (8.4V): 0.03sec/60 degrees Stall Torque (5.0V): 7kg.cm (97.23oz/in) Stall Torque (6.0V): 9kg.cm (125.01oz/in) Stall Torque (7.4V): 10kg.cm (139oz/in) Stall Torque (8.4V): 11.5kg.cm (159.74oz/in) Dimensions: 40.7X20.4X39.5mm/1.59X0.80X1.54in Weight:64g (2.25oz) Connector Wire Length:300mm (11.8in)