Gowoops 360 Degree Continuous Rotation Micro Servo Motor for Smart Car Robot Helicopter Torque: 5.5kg/cm (at 4.8V) Speed: 0.22sec/60(at 4.8V) Dimensions: 40.8 x 20 x 39.5 mm Working voltage: 4.8v-6v, Current: &lt; 1000mA 360 Degree Continuous Rotation Servo Motor,