HSB-9381TH Full Metal Case Ultra Torque Brushless Titanium Gear Servo from Hitec - HRC39384S
With its ultra-efficient brushless motor, titanium gear train, low current consumption and constant output power, the full metal case HSB-9381TH is the perfect match for the most demanding radio control pilots and racers.
Features:

Programmable 12-Bit PWM Digital Amplifier
Custom Long Life Brushless Motor
1M Cycle Long Life Potentiometer
Constant Output Torque
Wide Operating Voltage (5 ~ 9 Volts DC)
Dual Ball Bearing Supported Output Shaft
Dust Resistant and Splash Proof Case
25-Tooth Output Spline
Hybrid Nylon Reinforced Plastic and Aluminum Case
Low Power Consumption

Programmable Functions:

End Point Adjustments
Direction
Fail Safe
Dead Band
Speed (Slower)
Soft Start Rate
Data Save \/ Load
Program Reset (From File)

Includes:

Hitec HSB-9381TH Full Metal Case Ultra Torque Brushless Titanium Gear Servo
Horns and mounting gear