Binaural Brainwave Stimulator 4.0 16 color strobe sets 300 Options (BrainStimPro), Using adjustable freq, base frequency, modulation, duration, programmable color strobe, 4 wave forms, Freq Ramps, audio to visual pulse ratio adjust and programmable freq and color sets. While being setup for use by Medical Personal, It is easy to learn for laymen and the average offering an easy of use preprogrammed mode