E-Flite Blade CX2 RTF Electric Coaxial Micro Helicopter Now includes aluminum head/hub, over-current protection PTC resettable fuse devices, 3-in-1 control Flight readyno assembly required Test flown at the factory to ensure proper setup out of the box Interference-free, 5-channel E-flite transmitter with built-in Spektrum 2.4GHz DSM technology Coaxial, counter-rotating rotor blades that make hovering easy