SAVOX 'HIGH VOLTAGE' STD ULTRA FAST 25KG/0.08@7.4V UPDATED This is the Savox SV1271SG+ Monster Torque High Voltage Steel Gear Digital Servo. Our servos are totally green - from materials to production, these servos are environmentally friendly. Ideal for large-scale airplane, jet, and 1/5th scale surface. Savox SV1271SG+ Servo Features: Super fast for its size at .08 sec/60. Super strong and precision made unique steel gears provide high level of durability and survives heavy use. Coreless motor brings output performance to the top level - smoother, faster, and more efficient. Special design for high voltage native 2s LiPo operation. Spec Check: Dimensions(mm): 40.3x20.2x37.2 Weight(g): 63.0 Speed(@6.0V sec/60): .11 Torque(@6.0V oz-in): 277.7 Speed(@7.4V sec/60): .08 Torque(@7.4V oz-in): 347.2 Gear: Unique Steel Bearing: 2BB Case: Aluminium 25 Tooth Spline Savox Plus / ""+"" Models: feature a new Soft Start Mode and Sanwa SSR compatibility. (SAV-SV1271SG)