FLY WING FW450 V2.5 6CH FBL 3D Flying GPS Altitude Hold One-key Return RC Helicopter RTF With H1 Flight Control SystemDescription: 1. Upgraded 60A helicopter ESC, 32 bit processor, better performance 2 . The tail tube can be quickly disassembled , making it easier to maintain carry 3 . Upgraded 22mm metal rectangular tail tube , strong and beautiful 4 . Widened landing skid , easier to take off and land 5. All metal X three dimensional tail motor base , stronger , betterheat dissipation 6 . One piece linkage rod , no need to adjust the length , avoid blade separat 7.