S663 Standard Waterproof Plastic Gear Servo 25T

SpektrumT S663 Servo Features Waterproof*25 Tooth spline Plastic case designNylon Gear Train Digital servo with 76 oz/in @ 6.0V.20 sec/60 SpeedServo dimensions: 1.57in x .78in x 1.48in Input Voltage 6.0V-7.4V*Refer to the instruction manual for more detail