https://dronestuffpro.com/product/qwinout-diy-fpv-drone-quadcopter-4-axle-aircraft-kit-450-frame-pxi-px4-flight-control-920kv-motor-gps-fs-i6-transmitter-battery/
QWinOut DIY FPV Drone Quadcopter 4-axle Aircraft Kit :450 Frame + PXI PX4 Flight Control + 920KV Motor + GPS + FS-i6 Transmitter + Battery