This is the Xpert PM-3402 Low Profile Full Aluminum Servo
 Features
  - Brushless motor design provides extremely high speed, top efficiency, and low power consumption with 200+ oz-in torque
- Full aluminum case design
- 4096 resolution and SIC (Single Integrated Circuit) for the highest performance and durability.
- Light weight design
- All Aluminum case for the best thermal dissipation and durability.
- Strong Metal Gear
- Glitch-free
- Sophisticated error correction
- High-Speed, High-precision 12-bit AD converter and CPU calculation
- Fail safe
- Over current protection
- Over temperature protection
- Start sonorant
 
 Specifications
  - Power Supply: 4.8~6.6V
- Speed (sec/ 60°): 
 - @4.8V: .087 sec/60°
- @6.0V: .070 sec/60°
- @6.6V: .063 sec/60°
- Torque (oz/in): 
 - @4.8V: 166.56 oz-in
- @6.0V: 208.20 oz-in
- @6.6V: 229.02 oz-in
- Torque (kg/cm): 
 - @4.8V: 12.0 kg-cm
- @6.0V: 15.0 kg-cm
- @6.6V: 16.5 kg-cm
- Dimensions: 40.8X20.2X26.8 mm
- Weight: 52g
- Frequency:200/333 Hz
- Range: 50~400 Hz
- Center Position: 1520us
- Applications: 1/10 Buggy and Touring Car
- Matching Gear Set: XGS71720
- Matching Case: XC-02