Welcome another product to add to your build from FrSky, the Omnibus F4 flight controller with integrated R-XSR receiver! With the 20x20 mounting hole layout and built in receiver this makes a great option for your micro drone or fixed wing airplane build. Integrated OSD so you can make tuning adjustments on the fly. Not only this product being small it can also take up to 6s lipo! Get yours today!