Name:6V20kg-cm Digital Servo;                        
Size :A:40.2mm B:20.1mm C:38.8mm D:48.0mm E:10mm;                                        
Weight:56g ±0.2(1.46oz);                            
Gear type:Titanium Gear;                            
Speed:0.11sec/60º at (6V)

             0.13sec/60º at (4.8V)

Torque:20kg.cm.at(6V)

             17.2kg.cm.at(4.8V)                                                      
the features:Waterproof; Plastic case, resist heat and corrosion; All Aluminium hull, easy to eliminate heat;Adopt high quality coreless motor.