DS8911HV Ultra Torque Servo This is the JR Radio DS8911HV High-Voltage Ultra Torque Servo.Features:Designed for high-voltage - native 2S Li-Po operationProvides high torque for large aircraft in a standard-size servo packageDigital precision for increased accuracy and performanceMetal gears provide longer life cycle and a higher level of durabilityIncludes:One JR Radio DS8911HV High-Voltage Ultra Torque Servo