Waterproof 5th Scale Digital Servo .17/555 @7.4V
The SW-0241MG is a waterproof, large scale, and digital servo. It is metal-geared with an amazing amount of torque while capable of operating on high voltage.
Features:

Ideal for 1/5 scale off road, large scale boat and aircraft applications
Waterproof case design.
Strong metal gear train for added durability.
Specifications:

Torque @ 6v - 30.0kg/416.6oz-in
Torque @ 7.4v - 40.0kg/555.5oz-in
Speed @ 6v - 0.21 sec/60 deg
Speed @ 7.4v - 0.17 sec/60 deg
Dimensions L x W x H (mm): 65.8 x 30.0 x 59.1
Weight: 200.0g