Item number: SAVSW2290SG-BE

Waterproof Premium, High Voltage, Brushless, Digital Servo 0.11sec / 972.1oz @ 8.4v - Black Edition
Features:

Waterproof (IP67)
Full Aluminum Case
3 Precision Ball Bearings
Unique steel gears
Specifications:

Torque @ 7.4v - 55.0kg/763.8oz-in
Speed @ 7.4v - 0.13 sec/60 deg
Torque @ 8.4v - 70.0kg/972.1oz-in
Speed @ 8.4v - 0.11 sec/60 deg
Dimensions L x W x H (mm): 40.3 x 20.2 x 38.7
Weight: 81g