https://promos4us.canonly.win/cupons/dailydeals/omphobby-m2-exp-6ch-3d-flybarless-dual-brushless-motor-direct-drive-rc-helicopter-bnf-with-open-flight-controller-28jan/
OMPHOBBY M2 EXP 6CH 3D Flybarless Dual Brushless Motor Direct Drive RC Helicopter BNF with Open Flight Controller 28Jan