Hitec HS-646WP Standard Digital Waterproof Metal Gear: Universal

This waterproof servo has what it takes to keep your radio control vehicle, airplane or robot watertight. With high torque, dual ball bearings and metal gears, this analog waterproof servo has 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 keep your mind at ease.