Hitec - HSR-M9382TH Brushless High Voltage Titanium Gear Actuator (Servo) .14sec/71RPM @ 7.4V

Features
Programmable 12-bit Digital PWM Circuitry
Magnetic Encoder Position Sensor
High-Performance Brushless Motor
Low Power Consumption for Energy Efficiency
Constant Torque Output Across Voltage Range
IP65 Rated, Aluminum Alloy Case
25 Tooth Output Shaft
Capable of 360 degree Proportional Rotation
Customization and Modification Options Available