... with ALL DIRECTIONS CONTROL! This is the latest 2.4Ghz DESCRIPTION NEW 2.4Ghz Version! LARGEST Coaxial RC Helicopter with ALL ... DIRECTIONS CONTROL! This is the latest 2.4Ghz Walkera Lama400D, the LARGEST coaxial radio controlled helicopter, ... controller is integrated with Receiver, ESC, Gyro and Mixer with high sensitivity and strong resistance to interference. The 4-channels 2.4Ghz ...