Waterproof Premium, High Voltage, Brushless, Digital Servo 0.11 sec / 500oz @ 7.4V -Black Edition
Specifications: Gears: Precision steel Torque @7.4V: 500oz-in Speed @7.4V: 0.11 sec Waterproof: Yes - IP67 standards (operates for up to 30 minutes in water up to 3 feet deep)
