HGLRC Zeus5 FR AIO 1-2S F411 Flight Controller 5A BL_S 4in1 ESC Frsky SPI RXAn ultralight whoop style flight controller with integrated SPI Frsky receiver (separate RX can be used), replacement for thr Rekon 3 NLR or similar lightweight builds. Checkout all our Whoop Style Flight Controllers and the rest of our HGLRC products! Features: Integrated SPI receiver supports external receiver with CRSF protocol Motors can be plugged on the FC directly or soldered on the pads Comes with 8M black box and barometer, perfect to be used