This is the Ace DC1016 Digital Micro Servo.

FEATURES: Four plastic output gears
          Single ball bearing supported output shaft

INCLUDES: Ace DC1016 Digital Micro Servo with Four Point, Round and Double
            Arm Horns and Mounting Hardware

SPECS:    Torque: 22.2 oz/in (1.6 kg/cm)
          Speed: 0.10 sec/60°
          Dimensions: 0.87 x 0.44 x 0.93" (22.1 x 11.4 x 23.6mm)
          Weight: 0.32 oz (9 g)

                                                                   jxs 06/26/12
                                                                         ir/jxs