Vaterra 11000 903WP Digital Servo

Torque: 44.4 oz-in (3.2 kg-cm) @ 4.8V; 56.9 oz-in (4.1 kg-cm) @ 6.0V
Speed: 0.20 sec/60 deg @ 4.8; 0.16 sec/60 deg @ 6.0V
Length: 1.3 in (33.8mm)
Width: 0.6 in (15.4mm)
Height: 1.4 in (35.5mm)
Gear Type: Nylon
Voltage: 4.8 - 6.0V