This is the Hitec HS-646WP Standard High-Voltage Metal Gear Ultra Torque Analog Servo. 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.

Specifications:
Size Category: Standard
Type: Analog
Application: Boats, cars, airplanes
Torque: 133 oz-in (9.6 kg-cm) @ 6.0V; 161 oz-in (11.6 kg-cm) @ 7.4V
Speed: 0.20 sec/60° @ 6.0V; 0.17 sec/60° @ 7.4V
Length: 1.57 in (40.0mm)
Width: 0.83 in (21.0mm)
Height: 1.65 in (41.8mm)
Weight: 2.12 oz (60.0 g)
Bushing Or Bearing: Bearing
Bearing: Dual
Motor Type: 3 Pole
Connector Type: Universal
Gear Type: Metal
Voltage: 6.0V-7.4V

Limited Warranty:
Hitec Servo Warranty: Each Hitec servo is backed by a limited two-year warranty from the date of purchase. Hitec RCD USA, INC. shall REPAIR OR REPLACE, at Hitec RCD, INC., defective equipment covered by this warranty, otherwise the purchaser and/or consumer is responsible for any charges for the repair or replacement of the product.