DESKRIPSI : 1.New frequency hopping communication technology; 2.Support tank mixing control and program custom mix 3.Support head tracking,wireless coash,simulator ports; 4.Independent setting of serveo direction and travel for all channels. 5.Direction and throttle curve can be customized; 6.Real-time model battery voltage,RSSI telemetry; 7.10 sets of model data stores; 8.350 Meters ground control distance(conventional receiver with signal return is 40 meters away); 9.With dial adjustment parameters, it's easy to control and friendly for beginner. 10.Support USB upgrade 11.All receivers of dumbo are supported.