https://promos4us.canonly.win/cupons/cellphonesaccessories/flywoo-firefly-hex-nano-inav-90-31aug/
Flywoo Firefly Hex Nano INAV 90mm GOKU F4 13A ESC 4S 1.6 Inch Hexacopter Micro FPV Racing Drone BNF with GPS 5.8G 450mW VTX Caddx ANT 1200TVL Camera 31Aug