Power HD D-18HV Digital HV servo 75g

Torque(6.0V): 14.5 kg-cm (201.3 oz/in) 
Torque(7.4V): 18.0 kg-cm (249.9 oz/in)
Speed: 0.12 sec (6.0V) │ 0.10 sec (7.4V)
Operating Voltage：6.0 ~ 8.4 DC Volts
Weight: 75.0 g (2.64 oz)
Bearing Type：Ball Bearing x 2
Motor Type：Coreless Motor
Gear Type：Titanium & Alu
Operating Temperature：-20℃~60℃
Working frequence：1520μs / 333hz
Size：40.0 x 20.0 x 38.0 mm ( 1.57 x 0.79 x 1.49 in)