FUTABA DIGITAL SERVO L.PRO ( 1 DAMAGED MOUNTING LUG SPECIAL PRICE ) S9150 Modulation: Digital Torque: 4.8V:81.0 oz-in (5.83 kg-cm) Speed: 4.8V:0.18 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 Rotation/Support: Dual Bearings Special Notes This servo should only be operated with 4.8 volts. Only the provided servo arms will work on this servo because it has a unique spline size. FUT S9150 5.83kg