Servo Features: 1. Various data feedback: voltage, current, temperture and location. 2.Multiple control mode: PWM/TTL/RS422/RS485/CAN/UART 3. High efficiency and long-lived brushless motor 4. 32-bit microcontroller, high-resolution(4096) magnetic encoder potentiometer, never wear. 5. Over-load current protection 6. CNC aluminum alloy case, good for heat dissipation. 7. Metal gear, Titanium alloy gear 8. Stroke angle can be customized below 360 degrees.