Modulation: Digital Torque: 7.4V: 164.00 oz-in (11.81 kg-cm) Speed: 7.4V: 0.10 sec/60° Body weight: 1.66 oz (47.0 g) Dimensions: Length:1.58 in (40.0 mm) Width:0.79 in (20.0 mm) Height:1.37 in (34.8 mm) Motor Type: Brushless Gear Type: Hybrid Rotation/Support: Dual Bearings Records:This servo should only be operated with 4.8 volts.