Specification: Model Torque. Speed. Size Operating Voltage Weight Operating Frequency Motor Type BLS595HV5.0 Kg.cm/0.06sec/60°@6.0V6.0 Kg.cm/0.05sec/60°@7.4V7.0 Kg.cm/0.045sec/60°@8.4V15*36*31.5mm DC4.8V-8.4V46g 760us/333 Hz Brushlessmotor Package:1* GDW BLS595HV Servo