This is the Futaba High Voltage S3270SVi S.Bus2 Servo.
Designed to be used only with small electric airplanes, gliders, and
Programmable and compatible with S.Bus and S.Bus2 systems
HV S3270SV HS S.Bus2 Servo with I Connector and Instructions
0.71" (18mm) Four Point Horn
1.7" (42.5mm) Four Point Horn
Four 1.5x11mm Mounting Screws
Torque: 36.1 oz-in (2.6 kg-cm) @ 6.6V
41.7 oz-in (3.0 kg-cm) @ 7.4V
Speed: 0.12 sec/60° @ 6.6V
0.11 sec/60° @ 7.4V
Dimensions: 0.91 x 0.46 x 1.13" (23 x 11.8 x 28.6mm)
Weight: 0.57 oz (16.2 g)
Rated Voltage: DC6.0 - 7.4V
Operating Voltage: DC4.0 - 8.4V
Not for use in glow or gasoline powered models.