The Spektrum H6080G Gyro Servo is packed with everything you need for the performance you want. With an ultra fast high response rate of .048 sec/60¡Æ speed at 6V, the H6080G is a metal-geared servo that¡¯s incredibly durable. It¡¯s digital performance is accurate and precise. The H6080G is perfect for 550- to 700-sized helicopters.