OMG H2-MI-CF11S Helicopter Rotor Mini ServoOMG H2 MI CF11S Class 500 Helicopter Rotor Mini Servo Feature: Specially designed to operate your class 500 helicopter cyclic with extreme precision by having the best combination of torque and speed Reinforced titanium gears to ensure a low maintenance experience and resistance during crashes Capable of running on voltages up to 8. 4V Quiet, fast, precise, durable and has minimal power consumption Gears are titanium coated specially for superior