HS-646WP High Voltage High Torque Analog Waterproof Servo from Hitec - HRC32646W

Hitec waterproof servos have what it takes to keep your radio control vehicle, airplane, or robot watertight! With high torque, dual ball bearings and metal gears, their analog waterproof servos have the industry’s first IP67 rating, ranking them among the most durable and reliable servos for wet conditions. Whether you are manning your power boat, bashing in the mud, directing your underwater robot, or water landing your 25% plane, the HS-646WP will fill the bill.
Features:

Industry's First IP67-Rated Waterproof Case
IP = International Protection Code | 6 = Dust Tight | 7 = Immersion up to 1M
Strong Three-Pole Ferrite Motor
Metal Gear Train with MP First Gear
Dual Ball Bearing-Supported Output Shaft
4v 2-Cell LiPo Capability
Programmable Circuitry

Includes:

Hitec HS-646WP High Voltage High Torque Analog Waterproof Servo
Horns and mounting gear