The OMP Hobby M2 helicopter Explore version (EXP) is an affordable product compared to the previous version, but with improved flight controller, tail boom, landing gear, and more. 
 
1 x M2 RC Helicopter Explore Upgraded Version Heli Yellow
1 x RG012BX Xbus only infinity
1 x BUS Changer converter for Helicopter (S Bus(Futaba)→X Bus(JR))