UMX AS3Xtra BNF Basic This is the E-Flite UMX AS3Xtra BNF Basic Airplane. The UMX AS3Xtra takes Ultra Micro eXtreme to the next level.Features:E-Flite DSM2/DSMX 6-Ch UM AS3X Receiver/Servos/ESC installed Spektrum 2.3-Gram Performance Linear Long Throw servos installed Resilient carbon fiber reinforced, film-covered foam construction Ideal for experienced pilots to fly anywhere indoors AS3X System agility with flight mode flexibility Four-