RC Servo D-18HV  with full Aluminuk Case and Coreless Motor
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)