E-flite UMX J-3 Cub BL BNF Basic RC Airplane Scale markings, engine and surface detail Brushless BL180, 2500Kv outrunner motor Advanced AS3X technology delivers smooth flight Fits a 180280mAh 2S 7.4V 30C Li-Po battery (sold separately) Industry-leading Spektrum DSMX 2.4GHz technology