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."Plus" series servos feature Soft Start and Sanwa SSR compatibility.Features:Ideal for 1/5 scale off road, large scale boat and aircraft applicationsWaterproof case design.Strong metal gear train for added durability.Specifications:Torque @ 6V - 30.0kg/416.6oz-inTorque @ 7.4V - 40.0kg/555.5oz-inSpeed @ 6V - 0.21 sec/60 degSpeed @ 7.4V - 0.17 sec/60 degDimensions L x W x H (mm): 65.8 x 30.0 x 59Weight: 200g