This is the Savox SB-2271SG "High Speed" Brushless, Steel Gear, High Voltage, Digital Servo.
Features:
- Combines leading edge technology with super high 12 bit (4096) resolution and unique steel gears.
- Super light-weight.
- Brushless motor provides extremely high speed, incredible efficiency, and low power consumption.
- Extremely strong unique steel gears ensure long-life and durability.
- The full aluminum case design not only looks good but also allows for cooler and smoother operating temps.
- Totally green – from materials to production, these servos are environmentally friendly.
- Ideal for rock crawlers, monster trucks and buggies, as well as every control surface for giant scale aircraft.