Buttons are clearly labelled with words like "Neck", "Shoulder","Back", "Elbow", "Hip", "Ankle","Knee", "Foot/Hand", "Wrist",not "Pulse-Width", or "Waveform." The large LCD display with new featured backlight shows you at a glance exactly what you need for your targeted area, including the type of massage"Knead, Acu (Acupuncture), Tap, Cupping, Scraping (Gusha),Random" and the time left on the cycle.