Walkera HM V200DQ01 4 Channel RC Helicopter with Three-Axis-Gyro The design of flybarless balance characterizes low power loss and great efficiency improvement. Three-Axis-Gyro in receiver control makes the flybarless balance system automatically amend the flight status and provide favorable safety for the beginners Compact swashplate structure is adopted and with light and fine fuselage, it is super stable to fly New 2.4G technology, with the functions of identification and precise code pairing, can allow above 20 aircrafts to fly in the same field and same time The flying time can reach 9minutes-11minutes for one battery cycle with the high perfor mance brush motor and the high capacity Lipo battery