Great Planes RealFlight 7.5 RC Flight Simulator with Wireless SLT Interface(Without transmitter) Experience 3D realism and "real life" features available from RealFlight 7.5 RC Flight Simulator Choose from over 140 aircraft and 40 flying sites Plug the dongle into your computer's USB port and you'll instantly create an unbreakable link with your SLT transmitter Includes RealFlight 7.5 RC Flight Simulator software and wireless SLT interface Requires an SLT Transmitter with trainer jack (8-channel recommended)