This is a replacement E-flite DSM2 6 Ch Ultra Micro AS3X Receiver & BL-ESC combo, and is intended for use with the E-flite UMX Gee Bee R2 and Beast 3D airplanes.

NOTE: If using this receiver to replace an AR6400LBL board, you will need to ensure that you are using 2.3-gram Performance Linear Long Throw Servos (SPMSA2030L) with this receiver.