... 1.High speed,multilingual menu 2.4GHz 7 channel R/C system 2.10class contrast adjustment ... control to set programs, custom.13. 11 Group curve design, each curve 9 point edit.14. Graphical 7 channel monitor ... , always pay attention to every detail.15. Dozens of helicopters, airplane control for the flight ... PER CARTONG.W9.5KG WFLY 2.4Ghz 7 channel Remote Control system