Great Planes 7 Real Flight with Tactic TTX600 FEATURES: Vastly improved heli physics with features such as; Sound and Motion Physics, props and wheels blur, engine sound changes with RPM INCLUDES: One Great Planes Real Flight 7 R/C Flight Simulator DVD with Tactic TTX600 Mode 2 Transmitter and Interface REQUIRES: AA Batteries: Four for transmitter Minimum Recommended System: Windows XP, Windows Vista, Windows 7 or Windows 8