8 Channel, Standard FM, Universal Dual Conversion Receiver, Co Pilot-Ready, Digital Signature Recognition (DSR), 4 Level error correction, Frequency-Clear feature, built in volt meter, programmable failsafe and much more! This unit intended for stand-alone receiver operation or upgraded to complete FS8 Co Pilot Flight System by purchasing separate FS8 Flight System components. Unit includes external programming switch/LED and FS Co Pilot Viewer P.C. software.