D15-R HV Coreless Digital Servo Red Specifications - Torque(6.0V): 13.5 kg-cm ( 187.5 oz/in) - Torque(7.4V): 16.5 kg-cm ( 229.1 oz/in) - Torque(8.4V): 18.0 kg-cm ( 250.0 oz/in) - Speed: 0.10 sec (6.0V) │ 0.095 sec (7.4V) │ - Speed: 0.085 sec (8.4V) - Operating Voltage：6.0 ~ 8.4 DC Volts - Weight: 55.0 g (1.94 oz) - Bearing Type：Ball Bearing x 2 - Motor Type：Coreless Motor - Gear Type：Titanium & Steel - Operating Temperature：-10℃~60℃ - Working frequency：1520μs / 333hz - Size：41.0 x 20.0 x 26.3 mm ( 1.61 x 0.79 x 1.04 in) - Compatible with program box only