PowerHD LW-20MG WP Digital Servo 20.0KG/0.16sec@6.0V

Torque(4.8V): 16.5 kg-cm (229.1 oz/in)
Torque(6.6V): 20.0 kg-cm (277.7 oz/in)
Speed: 0.18 sec (4.8V) ¦ 0.16 sec (6.6V)
Operating Voltage:4.8 ~ 6.6 DC Volts
Weight: 60 g (2.12 oz)
Bearing Type:Ball Bearing x 2
Motor Type:DC Motor
Gear Type:Copper & Aluminum
Operating Temperature:-20~60°C
Working frequency:1520µs / 333hz
Size:40.7 x 20.5 x 39.5 mm ( 1.60 x 0.80 x 1.55 in)