PowerHD R6 HV Coreless Digital Servo 6.5KG/0.09sec@7.4V

Torque(6.0V): 6.5 kg-cm (90.27 oz/in)
Torque(7.4V): 7.5 kg-cm (104.16 oz/in)
Speed: 0.09 sec (6.0V) ¦ 0.08 sec (7.4V)
Operating Voltage: 6.0 ~ 8.4 DC Volts
Weight: 28.5 g (1.01 oz)
Bearing Type: Ball Bearing x 2
Motor Type: Coreless Motor
Gear Type: Copper & Aluminum
Operating Temperature: -20~60°C
Working frequency: 1520µs / 333hz
Size: 35.0 x 15.1 x 29.5 mm ( 1.38 x 0.59 x 1.136 in)