Waterproof High Voltage Digital Servo .13/319.40 @7.4V 
The SW-1210SG is the premier waterproof digital servo in the Savox Lineup. This coreless servo provides great torque and is a great upgrade if your looking to drive your RC vehicle in any condition...rain, sleet, or snow.
Features:
Strong unique steel gears provide durability and assurance.
Capable of HV operation.
Waterproof construction for harsh elements.
Ideal for cars, truck, and boats subject to water or snow.
Specifications:
Torque @ 6v - 20.0kg/277.7oz-in
Torque @ 7.4v - 23.0kg/319.4oz-in
Speed @ 6v - 0.15 sec/60 deg
Speed @ 7.4v - 0.13 sec/60 deg
Dimensions L x W x H (mm): 40.6 x 20.7 x 42.0
Weight: 71.0g