This is the S9074SB Serial Bus Digital Programmable Servo from Futaba.

FEATURES: Compatible with the Futaba S.Bus System
          Servo can be easily programmed with the SBC-1 Channel Setting Tool,
            S.Bus receiver or PCLink software
          Equipped with metal gears
          Also compatible with Futaba receivers and transmitters manufactured
            after 1982
          One year limited warranty through Hobby Services beginning at date of
            purchase

INCLUDES: Futaba S9074SB Serial Bus Digital Servo, 0.83" (21mm) round servo
            horn, 1.7" (44mm) long 3-point horn, two rubber grommets, four
            metal eyelets and instruction sheet

REQUIRES: Programming, installing in model and connecting linkage

SPECS:    Dimensions: 1.57 x 0.79 x 1.44" (1-9/16 x 13/16 x 1-7/16")
            (40 x 20 x 37mm)
          Torque: 278 oz-in (20.0 kg-cm) at 6.0V
          Speed:  0.17 sec/60° at 6.0V
          Weight: 2.2oz (63g)

                                                                   jxs 11/15/10
                                                                         ir/jxs