This is the Futaba BLS175HV High-Voltage S-Bus Programmable High-Torque/Servo.

FEATURES: Ideal for large scale aircraft
          High voltage, may be used with 2S LiPo packs
          Dual ball bearings
          Water sealed
          One year limited warranty through Hobby Services beginning at date of
            purchase

INCLUDES: Futaba BLS175HV Servo, 0.83" (21mm) Round Horn, 1.8" (45mm) Round
            Horn, 1.2" (31.5mm) Six Point Horn, 1.5" (38.5mm) Four Point Horn
            Mounting Hardware and Instructions

SPECS:    Torque: 292 oz-in (21.0 kg-cm) at 7.4V
          Speed: .12 at 7.4V
          Size: 1.6 x .8 x 1.5" (40 x 20 x 37mm)
          Weight: 2.33oz (66g)

                                                                   jxs 12/22/11
                                                                         ir/jxs