F5S = thin and light, F5 = Standard, F5L = Long tail for DJI Airunit.Components required:(Motors)PERFORMANTE 2306 - 2550KV (4S)(Batteries)14.8V 1300MAH (4S)(Motors)PERFORMANTE 2306 - 1750KV (6S)(Batteries)22.2V 1050MAH (6S)22.2V 1300MAH (6S)22.2V 1550MAH (6S)(FC+ESC)MAMBA STACK F722 DJI MK2 50AHGLRC..