Spektrum S905 Large Scale 40KG Waterproof Metal Gear Surface Servo, 15T

Speed: 0.20 sec/deg @ 6.0V, 0.18 sec/deg @7.2V

Torque: 6V 537.72 oz-in, 7.2V 555.50 oz-in

Product Height: 2.17 in (55.2mm)

Product Length: 2.34 in (59.5mm)

Product Width: 1.14 in (39mm)