Name:8.5V20kg-cm Brushless Digital Servo;
Size :A：40.2mm B：20.1mm C：38.8mm D：48.0mm E：10mm;
Weight:60g（2.12oz）;
Gear type:Titanium Gear;
Speed:0.11sec/60º at (7.2V)
0.08sec/60º at (8.5V)
Torque:18.5kg.cm.at(7.2V)
21kg.cm.at(8.5V)
Digital servos features: Support high voltage;Waterproof; Plastic
case, resist heat and corrosion; Aluminium middle hull, easy to
eliminate heat;Adopt high quality Brushless motor.