This is the Ace R/C DS1213 Digital Standard Servo.

FEATURES: Can be used for a wide variety of applications ranging from 1/8 scale
            racing, airplanes up to 40%, 90 size helis and large racing yachts
          Advanced microprocessor that can process signals faster and with
            more procesion
          Metal gears
          Aluminum heat sink mid case to dissipate heat build-up for fade-free
            performance
          Water and dust resistant
          Universal connector
          Coreless motor
          Eight screws for solid construction
          Single and twin ball screws for output shaft reinforcement

INCLUDES: One DS1213 Servo
          One straight arm servo horn (43.5mm)
          Four brass eyelets
          Four rubber grommets
          Four mounting screws

SPECS:    Length: 1.65" (42mm)
          Width:  0.81" (21mm)
          Height: 1.56" (40mm)
          Weight: 2.33 oz (66g)
          Speed: 0.16 sec/60° @ 4.8V
                 0.13 sec/60° @ 6.0V
          Torque: 133 oz-in @ 4.8V
                  174 oz-in @ 4.8V
          Operating Voltage: 4.8-6.0V

                                                                     JAW 2/3/11
                                                                         ir/jxs