There are 3 preset treatments on the device (heat, cold and contrast) and each has multiple precise temperature settings.

Heat: 24 minutes (95 °F, 102°F, 109°F)
Cold: 18 minutes (61°F, 54°F, 46°F)

Contrast: 20 minutes (The temperatures are customizable, but the preset alternates between the warmest and coldest settings to optimize treatment: Cold: 46°F, Heat: 109°F)