This is the Sanwa PGS-XR High Power Brushless Torque Servo (High Voltage).
Features: SSL-Compatible Programmable Servo; *Compatible with CODE 10 (M12S, EXZES ZZ, MT-44) Not Compatible with CODE 5 (M12, EXZES Z, MT-4S, MT-4, MT-S) PGS Setting Gear-Compatible Super Response (SSR) Mode-Compatible High Response (SHR) Mode-Compatible LiPo 2S Compatible Low Profile High Speed Brushless Motor Full Aluminum Case Full Metal Gear (Strengthening Gears) Aluminum Heat Sink Programmable Servo to be compatible with SSL & Telemetry at Launch Setting Adjustment by wireless from Radio Setting Adjustment to connect Servo with Setting Gear Regarding Temperature, Current, Voltage and Volume Position on Servo inside, Telemetry-transmission can be passed to Radio. *Initial Setting on Setting Gear is necessary.