Power HD 1812MG WP Digital Servo 18.0KG/0.12sec@6.0V

Torque(4.8V): 16.0 kg-cm / ( 222.2 oz/in)
Torque(6.0V): 18.0 kg-cm / ( 250.0 oz/in)
Speed: 0.14 sec (4.8V)¦0.12 sec (6.0V)
Operating Voltage: 4.8 ~ 6.0 DC Volts
Weight: 56.0g (1.98 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: 40.7x20.5x39.5mm (1.60x0.81x1.56 in)

Note: Waterproof