DS RDS3115MG 15KG Large Torque 180 Degree Biaxial Digital Servo for RC RobotDescription:Brand: DS ServoItem: RDS3115Angle: 180 degreeMaximum PW: 500-2500!#!amp!*!mu;sWorking Voltage: DC 4.8-7.2VOperating Speed: (4.8V) 0.16 sec\/60 Operating Speed: (6.0V)