To Heat And Melt Your Paraffin Wax Blocks, You Can Simply Set A Target Temperature Or A Timer And Leave The Paraffin Wax Bath To Finish The Task. The Heating Temperature Adjusting Range Is 86-158°F And The Timer Can Be Set From 1 To 99 Minutes, Benefit From The Soothing And Moisturizing Properties Of Paraffin Wax, Leaving Your Skin Feeling Soft, Smooth, And Rejuvenated.