Hitec HS-646WP Analog Waterproof

This is the Hitec HS-646WP High Voltage Analog Waterproof Ultra Torque Servo.

FEATURES:
Waterproof-industry very first IP67 score, ranking these as among the
    most durable and trusted servos for wet conditions
3-pole motor
Double ball bearings

CONSISTS OF:
Hitec HS-646WP Servo with 1.02" (26mm) Single Arm, 2.3" (59mm) Double
    Arm, 1.6" (42mm) Four Point Horn, 0.98" (25mm) Single Arm and
    Installing Hardware

SPECS:
6.0V 7.4V
Speed: 0.20 sec at 60° 0.17 sec at 60°
Torque: 133oz/in (9.6kg/cm) 161 oz/in (11.6kg/cm)
Size: 1.65 x 0.83 x 1.57" (41.8 x 21.0 x 40.0mm)
Weight: 2.12oz (60g)