FUTABA DIG C/L SERVO Modulation: DigitalTorque: 4.8V:64.0 oz-in (4.61 kg-cm) Speed: 4.8V:0.14 sec/60° Weight: 1.87 oz (53.0 g) Dimensions: Length:1.89 in (48.0 mm) Width:1.06 in (26.9 mm) Height:0.98 in (24.9 mm) Motor Type: Coreless Gear Type: Plastic Special Notes This servo should only be operated with 4.8 volts. FUT DIG S9154 4.61kg