Competition Cams 186401 Pro Racing Sim Desk Top Drag 5 Software Features advanced graphics that display e.t., mph, engine and clutch (trans input shaft) rpm, acceleration, aero drag, tire slip, etc. Unique inchzoom-in inch feature allows you to analyze starting line or top-end performance Design, build and drag test cars, motorcycles, dragsters - front- or rear-wheel drive Uses an advanced Windows interface with easy-to-use DirectClick Menus Pop-up Timeslip provides a detailed performance overview