90 degrees servo motor with METAL gear high speed micro MG90S Car RC helicop.
Stall Torque : 1.8 Kg/cm at 4.8V, 2.2 Kg/cm at 6.6V. Small, easy-to-use m etal gear micro server motor. Servo arms and screws are included. Dead Action: 5us. Reaction speed: 0.10sec / 60degree at 4.8V and 0.08sec at 60degree 6V.