OGY-661 employed the 6-axis motion sensor. The sensor is configured with 3-axis gyro(angular velocity sensor) and 3-axis acceleration sensor. The sensor enables to get more stability for leveling flight and provides more sense of security to the pilots. OGY-661 can be used with quad-rotor(X4, I4), hexa-rotor(X6, I6) type of motor layout. In addition, S.BUS of Futaba format is ready to use for easier and hassle-free wiring.