Peterson SS 2.0 StroboSoft Suite Works on PC (Windows 2000/XP/Vista) and MAC (OSX 10.4 onwards) sLINK Technology allows StroboSoft to be used as a VST/AU plug-in in your favorite DAW Included "Pitch Graph" Displays Real-Time Plot of Pitch Variation Useful for intonation training Strobe display can be Detached, Repositioned and Re-sized to Allow for a Larger Strobe Display. Included Spectrum Analyser Display to Indicate Approximately Which Frequency is Being Measured